Guangzhou Yun Shun Electro-mechanical Technology Co. Ltd. is a Singapore company, WaterSun Technology Pte Ltd, subsidiary in China specializing in new products development.  Established in May 2005, WaterSun Technology Pte Ltd is an internationally recognized authority in the field of mechanical locking devices and other safety devices.  Our trademark, 钜甲 (JU JIA), represents a significant advancement in car steering wheel locks and a result of the consistent ground-breaking work by a team of researchers led by Dr. Li Gong Ling, the Chairman and founder of WaterSun.  WaterSun has a portfolio of patents covering various technology areas and commercial products.