Tianjin Tangzheng Valve Co., Ltd, established in 1990, is a professional valve manufacturer with registered logo TF. Many clients including Countrygarden and Newhouse have placed repeated orders with us. We adopt the ISO9001 international quality management system and have obtained the Chinese National AZ certificate. We can offer 600 models in more than 50 types, including gate valve, butterfly valve, electric valve, check valve, ball valve, stop valve, stainless steel products, flexible rubber joint and filter. To take advantage of our products and services, contact us now.