Tokyo 2020 Olympics - Athletics - Men's Long Jump - Final - Olympic Stadium, Tokyo, Japan - August 2, 2021. Huang Changzhou of China in action REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Final - Olympic Stadium, Tokyo, Japan - August 2, 2021. Huang Changzhou of China in action REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Final - Olympic Stadium, Tokyo, Japan - August 2, 2021. Huang Changzhou of China in action REUTERS/Hannah Mckay 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Final - Olympic Stadium, Tokyo, Japan - August 2, 2021. Huang Changzhou of China in action REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Final - Olympic Stadium, Tokyo, Japan - August 2, 2021. Huang Changzhou of China in action REUTERS/Athit Perawongmetha 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Final - Olympic Stadium, Tokyo, Japan - August 2, 2021. Huang Changzhou of China in action REUTERS/Kai Pfaffenbach 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Final - Olympic Stadium, Tokyo, Japan - August 2, 2021. Huang Changzhou of China in action REUTERS/Hannah Mckay 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Final - Olympic Stadium, Tokyo, Japan - August 2, 2021. Huang Changzhou of China in action REUTERS/Athit Perawongmetha 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Qualification - OLS - Olympic Stadium, Tokyo, Japan – July 31, 2021. Huang Changzhou of China REUTERS/Aleksandra Szmigiel 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Qualification - OLS - Olympic Stadium, Tokyo, Japan – July 31, 2021. Huang Changzhou of China in action REUTERS/Aleksandra Szmigiel 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Qualification - OLS - Olympic Stadium, Tokyo, Japan – July 31, 2021. Huang Changzhou of China in action REUTERS/Aleksandra Szmigiel 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Qualification - OLS - Olympic Stadium, Tokyo, Japan – July 31, 2021. Huang Changzhou of China in action REUTERS/Aleksandra Szmigiel 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Qualification - OLS - Olympic Stadium, Tokyo, Japan – July 31, 2021. Huang Changzhou of China in action REUTERS/Andrew Boyers 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Qualification - OLS - Olympic Stadium, Tokyo, Japan – July 31, 2021. Huang Changzhou of China in action REUTERS/Andrew Boyers 

Tokyo 2020 Olympics - Athletics - Men's Long Jump - Qualification - OLS - Olympic Stadium, Tokyo, Japan – July 31, 2021. Huang Changzhou of China in action REUTERS/Fabrizio Bensch 

NIU Technologies' CEO Yan Li speaks at a media conference in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

NIU Technologies' kick scooters are displayed at a media conference in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

A light of Niu electric scooter is seen at a media conference in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

An employee works on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

An employee works on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

An employee works on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

An employee works on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

An employee works on the electric scooters production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Employees work on the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Niu electric scooters are seen at the production line of NIU Technologies in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

NIU Technologies logo is seen at its headquarters in Changzhou, Jiangsu province, China April 7, 2021. REUTERS/Aly Song 

Lithium-ion automotive batteries are seen at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

Lithium-ion automotive batteries are seen at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

Staff work at the new battery cell-plant at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

Staff work at the new battery cell-plant at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

Employees work at the new battery cell-plant at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

An employee works at the new battery cell-plant at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

An employee works at the new battery cell-plant at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

An employee works at new battery cell-plant at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

Staff look on at the new battery cell-plant at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

A new battery cell-plant is pictured at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

Staff work at the new battery cell-plant at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

A new battery cell-plant is pictured at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

A new battery cell-plant is pictured at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

A new battery cell-plant is pictured at SVOLT Energy Technology, which was carved out of China's Great Wall Motor Co, in Changzhou, Jiangsu province, China November 27, 2019. REUTERS/Aly Song 

Athletics - World Athletics Championships - Doha 2019 - Men's Long Jump Qualification - Khalifa International Stadium, Doha, Qatar - September 27, 2019. China's Changzhou Huang in action. REUTERS/Hannah Mckay 

Athletics - World Athletics Championships - Doha 2019 - Men's Long Jump Qualification - Khalifa International Stadium, Doha, Qatar - September 27, 2019 China's Changzhou Huang in action REUTERS/Fabrizio Bensch 

Asian Athletics Championships - Khalifa International Stadium, Doha, Qatar - April 24, 2019 Gold medallist Japan's Yuki Hashioka, silver medallist China's Zhang Yaoguang and bronze medallist China's Changzhou Huang pose with their medals on the podium for the Men's Long Jump Final REUTERS/Ibraheem Al Omari 

Athletics - IAAF World Indoor Championships 2018 - Arena Birmingham, Birmingham, Britain - March 2, 2018 China's Changzhou Huang in action during the Men's Long Jump Final REUTERS/Hannah McKay 

Athletics - IAAF World Indoor Championships 2018 - Arena Birmingham, Birmingham, Britain - March 2, 2018 China's Changzhou Huang in action during the Men's Long Jump Final REUTERS/Hannah McKay 

Athletics - IAAF World Indoor Championships 2018 - Arena Birmingham, Birmingham, Britain - March 2, 2018 China's Changzhou Huang in action during the Men's Long Jump Final REUTERS/Hannah McKay 

Athletics - Glasgow Indoor Grand Prix - Emirates Arena, Glasgow, Britain - February 25, 2018 China's Changzhou Huang competes in the men's long jump Action Images via Reuters/Lee Smith 

Athletics - World Athletics Championships – Men's Long Jump - London Stadium, London, Britain - August 4, 2017. Huang Changzhou of China in action. REUTERS/Dylan Martinez TPX IMAGES OF THE DAY 

Athletics - World Athletics Championships – Men's Long Jump - London Stadium, London, Britain - August 4, 2017. Huang Changzhou of China in action. REUTERS/Dylan Martinez 

Water purification equipment by Emefcy is seen at a school campus in Changzhou, Jiangsu province, China June 20, 2017. Picture taken June 20, 2017. REUTERS/David Stanway 

Water purification equipment by Emefcy is seen at a school campus in Changzhou, Jiangsu province, China June 20, 2017. Picture taken June 20, 2017. REUTERS/David Stanway 

Huang Changzhou of China competes on his way to a bronze medal in the men's long jump during the IAAF World Indoor Athletics Championships in Portland, Oregon March 20, 2016. REUTERS/Mike Blake