Zhejiang Ruitong Valve Co., Ltd. is a comprehensive enterprise integrated with research & development, manufacturing, sale and service.It is specialized in manufacturing API, JIS, GB, DIN standard gate valve, globe valve, check valve, ball valve, strainer etc., which widely used in petroleum, chemical industry, and metallurgy, electric power and other industries. Due to quality, reliability and performance is stable, our products have been well received by the customers.The principle of RUITONG is to cast high quality valves, build the basis of sincerity and credibility, devote to customer service. Every member of it strives for its best and improving constantly.Looking forward your joining and working for better.