January 17, Shenzhen United Winner Laser Co., Ltd was permitted to be listed company by the government, meaning that the number laser companies successfully approaching  stock market reach five. 

United Winner Laser located at Nanshan district Shenzhen, a leading manufacturer of laser based welding machine and solutions.  

 They have 1500 employees now. The revenue from 2016 to 2018; 416.2 million RMB, 727.7 million RMB, 981.3 million RMB.