Jan. 2014 -- Established COSA in HONG KONG and HeShengLiHeng in Shenzhen. Our management team has more than 15 years experiences in machining and metal stamping areas. We focus on components business and offer components and components solution for customers. Products were used in medical, photoelectric communication equipment, automotive aerospace, power tools, sensors, transducer, hydraulic systems, home appliances and home furnitures.Surface treatment of products has Zn plating, Ni plating, powder coating and Cr. plating.
Apr. 2018 -- Established CNC factory in Dongguan. The factory focus on producing precision parts for customer. The factory dedicated in precision machining and good quality.