Zhejiang Longcheng Valve Co.,ltd is located in well-known China Pump&Valve hometown-Five-star Industrial zone,Oubei town,Wenzhou. The company,established in 1989,being to the first steep provider net of China Petroleum&Natural Group,the pointed manufacture company of the Chemical Industrial Equipment Corpporation, and the mtmbder of CHINA CITYGAS ASSCOCIATION .The company covers 4500 squaremeters and the construction area is 3400 square metere. It has become a valve company which integrates Researching,manufacturing,designing,sales and after services as a specialiazed unit.