Shenzhen Yongliansheng Hardware&Plastic Prodcuts CO., LTD. We are a professional manufacturer and exporter of pipe rack system.(metal joints, plastic coated pipe, Iron roller trackï¼?etc...)all kind of metal products more than 11years. according to the market, our export products is good quality and the price have good competitve. our company and factory also research and develop new products and make new mold for customers our concept: good quality , good service, good price, help you win the market and time.we are happy for happyï¼?ï¼?