Shanghai Woyang Industrial Co., Ltd. belongs to Addka Industrial. We are a high-technology enterprise, integrating the R&D, production, processing and sale. Founded in 1995, our company has obtained a high reputation among customers both at home and abroad with a professional technical team and an advanced quality management system. Our product range covers LED lights, coolers, heat sinks, aluminum profiles, heat dissipation devices, heat pipes, cooling exchangers, machining / stamping ...