Qingdao Xingyu Special Sealing Material co., Ltd. was founded in 2015, is located in Qingdao Jiaozhou City Madian Industrial Park, covers an area of 20 acres, registered capital of 1 million yuan, The predecessor was Qingdao Roewe Precision Valve Co., Ltd., which was established in 2010, The main business is the R&D, production and sales of polyurethane foam caulk valves, rubber silicone and other composite sealing gaskets, various aerosol valve stamping, injection molding accessories and other seals, with an annual design capacity of 500 million pieces and more than 50 employees.