Third valve co., LTD. Is located in tianjin jinnan district, tianjin open source near tanggu economic development zone, east in dagang oilfield in the south, north jingjintang expressway, tianjin international airport, the transportation is convenient, located in tianjin binhai new area, the geographical environment is superior company began operations in 1997, has now become one of the leading enterprises in tianjin low-pressure valve production base of the company covers an area of about 30000 square meters of existing staff 400 people, including 2 senior engineers, engineering and technical personnel 30 people the company has a modern High-quality r & D team, the use of computer design and development of products, the continuous use of new technologies and new processes to improve the quality of products the company's products have fire valves and low and medium pressure gate valve globe valve ball valve check valve butterfly valve and so on more than 100