Winston Peters, leader of the New Zealand First Party, walks with officials to a meeting in Wellington, New Zealand, October 8, 2017. Picture taken October 8, 2017. REUTERS/Charlotte Greenfield

TCL Corporation Chairman Li Dongsheng attends a forum in Hong Kong, China April 21, 2017. REUTERS/Bobby Yip

TCL Corporation Chairman Li Dongsheng attends a forum in Hong Kong, China April 21, 2017. REUTERS/Bobby Yip

TCL Corporation Chairman Li Dongsheng attends a forum in Hong Kong, China April 21, 2017. REUTERS/Bobby Yip

FILE PHOTO - The logo for Australia's biggest electricity network Ausgrid adorns the main entrance to the headquarters building in central Sydney, Australia, July 25, 2016. REUTERS/David Gray/File Photo

Electricity poles are seen in a suburban street in Melbourne March 29, 2011. REUTERS/Mick Tsikas/File Photo

A panda toy hangs from the back of a chair during the gala dinner for the Fortune Global Forum (FGF) in Chengdu, Sichuan province, June 6, 2013. China strongly opposes protectionism and will "make sure" imports are expanded, Zhang said on Thursday. China, the world's second-largest economy which is locked in an ugly trade dispute with the European Union, will in the next five years import $10 trillion worth of goods and invest $500 billion abroad, Zhang told a forum of business leaders. REUTERS/Jason Lee (CHINA - Tags: BUSINESS POLITICS SOCIETY)

Time Warner Chairman and CEO, Jeffrey Bewkes, delivers a speech during the gala dinner for the Fortune Global Forum (FGF) in Chengdu, Sichuan province, June 6, 2013. China strongly opposes protectionism and will "make sure" imports are expanded, Zhang said on Thursday. China, the world's second-largest economy which is locked in an ugly trade dispute with the European Union, will in the next five years import $10 trillion worth of goods and invest $500 billion abroad, Zhang told a forum of business leaders. REUTERS/Jason Lee (CHINA - Tags: BUSINESS POLITICS)

Attendants wait to serve business leaders during the gala dinner for the Fortune Global Forum (FGF) in Chengdu, Sichuan province, June 6, 2013. China strongly opposes protectionism and will "make sure" imports are expanded, Zhang said on Thursday. China, the world's second-largest economy which is locked in an ugly trade dispute with the European Union, will in the next five years import $10 trillion worth of goods and invest $500 billion abroad, Zhang told a forum of business leaders. REUTERS/Jason Lee (CHINA - Tags: BUSINESS POLITICS)

Former British Prime Minister Tony Blair (L) talks with China's Vice Premier Zhang Gaoli during a meeting at the Fortune Global Forum (FGF) in Chengdu, Sichuan province, June 6, 2013. China strongly opposes protectionism and will "make sure" imports are expanded, Zhang said on Thursday. China, the world's second-largest economy which is locked in an ugly trade dispute with the European Union, will in the next five years import $10 trillion worth of goods and invest $500 billion abroad, Zhang told a forum of business leaders. REUTERS/Jason Lee (CHINA - Tags: BUSINESS POLITICS)

China's Vice Premier Zhang Gaoli delivers a speech during the gala dinner for the Fortune Global Forum (FGF) in Chengdu, Sichuan province, June 6, 2013. China strongly opposes protectionism and will "make sure" imports are expanded, Zhang said on Thursday. China, the world's second-largest economy which is locked in an ugly trade dispute with the European Union, will in the next five years import $10 trillion worth of goods and invest $500 billion abroad, Zhang told a forum of business leaders. REUTERS/Jason Lee (CHINA - Tags: BUSINESS POLITICS)

China's Vice Premier Zhang Gaoli delivers a speech during the gala dinner for the Fortune Global Forum (FGF) in Chengdu, Sichuan province, June 6, 2013. China strongly opposes protectionism and will "make sure" imports are expanded, Zhang said on Thursday. China, the world's second-largest economy which is locked in an ugly trade dispute with the European Union, will in the next five years import $10 trillion worth of goods and invest $500 billion abroad, Zhang told a forum of business leaders. REUTERS/Jason Lee (CHINA - Tags: BUSINESS POLITICS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), attends a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), attends a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), speaks during a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), speaks during a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), speaks during a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), speaks during a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), attends a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), speaks during a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

Roberto Azevedo, incoming head of the World Trade Organization (WTO), gestures during a news conference where he discussed about protectionism and his new job at the WTO, which he would take over on September 1, at the Itamaraty Palace in Brasilia May 17, 2013. REUTERS/Ueslei Marcelino (BRAZIL - Tags: POLITICS BUSINESS)

A man holds a sign at a demonstration against a government white paper on population at Speakers' Corner in Singapore February 16, 2013. The paper released in January said the island's population of 5.3 million could grow by as much as 30 percent by 2030, mostly through foreign workers to offset a chronically low birth rate. REUTERS/Edgar Su (SINGAPORE - Tags: POLITICS CIVIL UNREST)

Canadian Prime Minister Stephen Harper (C) waves while his wife Laureen (green scarf) watches during their visit to a Gurudwara or a Sikh temple at Anandpur Sahib, in the northern Indian state of Punjab November 7, 2012. A trend toward greater protectionism was pushing the world toward a prolonged recession, Harper said on Wednesday, although he added an economic catastrophe could be averted. REUTERS/Ajay Verma (INDIA - Tags: POLITICS BUSINESS RELIGION)

Canadian Prime Minister Stephen Harper and his wife Laureen pose for pictures during their visit to a Gurudwara or Sikh temple at Anandpur Sahib, in the northern Indian state of Punjab November 7, 2012. A trend toward greater protectionism was pushing the world toward a prolonged recession, Harper said on Wednesday, although he added an economic catastrophe could be averted. REUTERS/Ajay Verma (INDIA - Tags: POLITICS BUSINESS RELIGION)

Canadian Prime Minister Stephen Harper (C) and his wife Laureen (front R) pose for a picture with Punjab's Chief Minister Parkash Singh Badal (front L) during their visit to a Gurudwara or Sikh temple at Anandpur Sahib, in the northern Indian state of Punjab November 7, 2012. A trend toward greater protectionism was pushing the world toward a prolonged recession, Harper said on Wednesday, although he added an economic catastrophe could be averted. REUTERS/Ajay Verma (INDIA - Tags: POLITICS BUSINESS)

Canadian Prime Minister Stephen Harper (R) and his wife Laureen wave to the photographers during their visit to a Gurudwara or a Sikh temple at Anandpur Sahib in the northern Indian state of Punjab November 7, 2012. A trend toward greater protectionism was pushing the world toward a prolonged recession, Harper said on Wednesday, although he added an economic catastrophe could be averted. REUTERS/Ajay Verma (INDIA - Tags: POLITICS BUSINESS RELIGION SOCIETY)

Canadian Prime Minister Stephen Harper (R) waves to the photographers as his wife Laureen watches at the Virasat-e-Khalsa (Khalsa heritage memorial complex) at Anandpur Sahib in the northern Indian state of Punjab November 7, 2012. A trend toward greater protectionism was pushing the world toward a prolonged recession, Harper said on Wednesday, although he added an economic catastrophe could be averted. REUTERS/Ajay Verma (INDIA - Tags: POLITICS BUSINESS SOCIETY TRAVEL)

Canadian Prime Minister Stephen Harper (L) and his wife Laureen walk at the Virasat-e-Khalsa (Khalsa heritage memorial complex) at Anandpur Sahib in the northern Indian state of Punjab November 7, 2012. A trend toward greater protectionism was pushing the world toward a prolonged recession, Harper said on Wednesday, although he added an economic catastrophe could be averted. REUTERS/Ajay Verma (INDIA - Tags: POLITICS BUSINESS TRAVEL SOCIETY)

Canadian Prime Minister Stephen Harper (L) and his wife Laureen walk at the Virasat-e-Khalsa (Khalsa heritage memorial complex) at Anandpur Sahib in the northern Indian state of Punjab November 7, 2012. A trend toward greater protectionism was pushing the world toward a prolonged recession, Harper said on Wednesday, although he added an economic catastrophe could be averted. REUTERS/Ajay Verma (INDIA - Tags: POLITICS BUSINESS TRAVEL SOCIETY)

Chinese Premier Wen Jiabao waves during the European Union (EU)-China summit at the Egmont Palace in Brussels September 20, 2012. Both China and the European Union reject trade protectionism, Wen said on Thursday after a summit meeting with EU leaders. REUTERS/Laurent Dubrule (BELGIUM - Tags: POLITICS BUSINESS)

China's Vice President Xi Jinping speaks next to U.S. Secretary of State Hillary Clinton and U.S. Vice President Joseph Biden during luncheon at the State Department in Washington, February 14, 2012. Xi on Tuesday hailed deepening economic cooperation with the United States, saying the two sides should strive for a greater balance in trade and investment and resolve issues through dialogue, "not protectionism." REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)

China's Vice President Xi Jinping (L) and U.S. Secretary of State Hillary Clinton talk during a meeting before a luncheon at the State Department in Washington February 14, 2012. Xi on Tuesday hailed deepening economic cooperation with the United States, saying the two sides should strive for a greater balance in trade and investment and resolve issues through dialogue, "not protectionism." REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)

China's Vice President Xi Jinping (R) speaks next to U.S. Secretary of State Hillary Clinton during a luncheon at the State Department in Washington February 14, 2012. Xi on Tuesday hailed deepening economic cooperation with the United States, saying the two sides should strive for a greater balance in trade and investment and resolve issues through dialogue, "not protectionism." REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)

China's Vice President Xi Jinping speaks at a luncheon hosted by U.S. Vice President Joseph Biden (R) and U.S. Secretary of State Hillary Clinton (in red) at the State Department in Washington February 14, 2012. Former Secretary of State Henry Kissinger listens on left. Xi on Tuesday hailed deepening economic cooperation with the United States, saying the two sides should strive for a greater balance in trade and investment and resolve issues through dialogue, "not protectionism." REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)

U.S. Vice President Joseph Biden (R) and U.S. Secretary of State Hillary Clinton are seen during a toast as they host a luncheon for China's Vice President Xi Jinping (C) at the State Department in Washington February 14, 2012. Xi on Tuesday hailed deepening economic cooperation with the United States, saying the two sides should strive for a greater balance in trade and investment and resolve issues through dialogue, "not protectionism." REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)

U.S. Vice President Joseph Biden toasts China's Vice President Xi Jinping (R) during a luncheon at the State Department in Washington February 14, 2012. Xi on Tuesday hailed deepening economic cooperation with the United States, saying the two sides should strive for a greater balance in trade and investment and resolve issues through dialogue, "not protectionism." REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS)

An employee inspects a solar panel along a production line at a solar company workshop in Hefei, Anhui province December 5, 2011. China said it was "deeply concerned" about a preliminary ruling by a U.S. trade body that trade practices by Chinese solar makers are hurting U.S. producers and said the decision underscored a U.S. "inclination to trade protectionism". REUTERS/Stringer (CHINA - Tags: BUSINESS ENERGY POLITICS)

Employees work on a solar panel production line at a solar company workshop in Hefei, Anhui province December 5, 2011. China said it was "deeply concerned" about a preliminary ruling by a U.S. trade body that trade practices by Chinese solar makers are hurting U.S. producers and said the decision underscored a U.S. "inclination to trade protectionism". REUTERS/Stringer (CHINA - Tags: BUSINESS ENERGY POLITICS)

French National Assembly deputy Nicolas Dupont-Aignan stands with his mouth covered with a scarf in the colours of the French national flag, during a debate about Libya at the National Assembly in Paris, in this July 12, 2011 file photo. A longtime eurosceptic and former member of President Nicolas Sarkozy's ruling UMP party, Dupont-Aignan portrays himself as the only mainstream politician to advocate a French exit from the euro and a return of protectionism, an agenda he shares with Marine Le Pen's far-right Front National. To match Interview FRANCE-POLITICS/EURO REUTERS/Gonzalo Fuentes/Files (FRANCE - Tags: POLITICS BUSINESS)

French National Assembly deputy Nicolas Dupont-Aignan stands with his mouth covered with a scarf in the colours of the French national flag, during a debate about Libya at the National Assembly in Paris, in this July 12, 2011 file photo. A longtime eurosceptic and former member of President Nicolas Sarkozy's ruling UMP party, Dupont-Aignan portrays himself as the only mainstream politician to advocate a French exit from the euro and a return of protectionism, an agenda he shares with Marine Le Pen's far-right Front National. To match Interview FRANCE-POLITICS/EURO REUTERS/Gonzalo Fuentes/Files (FRANCE - Tags: POLITICS BUSINESS)

Singapore's Prime Minister Lee Hsien Loong (L) meets with Managing Director of the International Monetary Fund (IMF) Dominique Strauss-Kahn at the Istana in Singapore February 1, 2011. The world economy has begun improving but is beset by problems such as high unemployment and rising prices which could fuel crippling trade protectionism or even lead to war within nations, Strauss-Kahn warned on Tuesday. REUTERS/Edgar Su (SINGAPORE - Tags: BUSINESS POLITICS)

Managing Director of the International Monetary Fund (IMF) Dominique Strauss-Kahn speaks at The Global Economic Outlook and Asia's Role in the Global Economy talk in Singapore February 1, 2011. The world economy has begun improving but is beset by problems such as high unemployment and rising prices which could fuel crippling trade protectionism or even lead to war within nations, the head of the International Monetary Fund warned on Tuesday. REUTERS/Edgar Su (SINGAPORE - Tags: BUSINESS POLITICS)

Managing Director of the International Monetary Fund (IMF) Dominique Strauss-Kahn speaks at The Global Economic Outlook and Asia's Role in the Global Economy talk in Singapore February 1, 2011. The world economy has begun improving but is beset by problems such as high unemployment and rising prices which could fuel crippling trade protectionism or even lead to war within nations, the head of the International Monetary Fund warned on Tuesday. REUTERS/Edgar Su (SINGAPORE - Tags: BUSINESS POLITICS)

A horse and cart driver who collects scrap metal stops for a meal of rice at a roadside kiosk in Senegal's capital Dakar January 31, 2011. Record high food prices are moving to the top of policymaker agendas, driven by fears it could stoke inflation, protectionism and unrest and dent consumer demand in key emerging economies.The United Nations' food agency (FAO) said in January that food prices hit a record high last month, above 2008 levels when riots broke out in countries as far afield as Egypt, Cameroon and Haiti. REUTERS/ Finbarr O'Reilly (SENEGAL - Tags: FOOD BUSINESS)

A labourer winnows rice at a market yard at Bavla, west of the western Indian city of Ahmedabad January 7, 2011. Record high food prices are moving to the top of policymaker agendas, driven by fears it could stoke inflation, protectionism and unrest and dent consumer demand in key emerging economies. REUTERS/Amit Dave (INDIA - Tags: AGRICULTURE BUSINESS IMAGES OF THE DAY FOOD)

Britain's Prime Minister David Cameron walks up the stage at a news conference during the G20 summit in Seoul, November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Darren Staples (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy listens to questions at a news conference during the G20 meeting in Seoul November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the spectre of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy speaks at a news conference during the G20 meeting in Seoul November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy speaks at a news conference during the G20 meeting in Seoul November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the spectre of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy shakes hands with Brazil's President Luiz Inacio Lula da Silva (L) as they leave a bilateral meeting at the G20 Summit in Seoul November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the spectre of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

South Korea's President Lee Myung-bak addresses a news conference at the G20 Summit in Seoul November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the spectre of a currency war and trade protectionism. REUTERS/Romeo Ranoco (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy (2nd L), Economy Minister Christine Lagarde (C) and Deputy Secretary General of Elysee Xavier Musca (R) walk in the building where the G20 Summit is held at in Seoul, November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

(L-R) France's Diplomatic adviser Jean-David Levitte, President Nicolas Sarkozy, Economy Minister Christine Lagarde and Deputy Secretary General of Elysee Xavier Musca walk in the building where the G20 Summit is held at in Seoul, November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

(L-R) France's Diplomatic adviser Jean-David Levitte, President Nicolas Sarkozy, Economy Minister Christine Lagarde and Deputy Secretary General of Elysee Xavier Musca walk in the building where the G20 Summit is held at in Seoul, November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy and Brazil's President Luiz Inacio Lula da Silva (L) leave a bilateral meeting at the G20 Summit in Seoul, November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

U.S. President Barack Obama walks in the building where the G20 Summit is held at in Seoul, November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

U.S. President Barack Obama walks in the building where the G20 Summit is held at in Seoul, November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy (C), Economy Minister Christine Lagarde (R) and Deputy Secretary General of Elysee Xavier Musca (R) walk in the building where the G20 Summit is held at in Seoul, November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the specter of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy speaks during a news conference at the G20 summit in Seoul November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the spectre of a currency war and trade protectionism. REUTERS/Philippe Wojazer (SOUTH KOREA - Tags: POLITICS BUSINESS)

France's President Nicolas Sarkozy speaks during a news conference at the G20 summit in Seoul November 12, 2010. G20 leaders drew a veil over weeks of bickering about their economic policies on Friday and agreed to tackle global "tensions and vulnerabilities" that have raised the spectre of a currency war and trade protectionism. REUTERS/Philippe Wojazer (KOREA - Tags: POLITICS BUSINESS)