Shanghai Yi Sheng Steel Pipe Co., Ltd., in Shanghai International Automobile City - Anting Industrial Zone. Close to the A30 high-speed and A5 Jiajin high-speed,and strategic location,convenient transportation. Shanghai Yi Sheng Steel Pipe Co., Ltd., and its subsidiary Shanghai Zhang Sheng Metal Factory, is a professional enterprise producing all kinds of cold-drawn seamless steel pipe. Over the years,in the community's strong support,our company developed steadily. At present, with five standard factory covers an area of about 15,000 square meters. Employs 150 people, including undergraduate degree 8 People, specialist degree 20 People, intermediate professional titles 12 People. Our company produces high-precision high-quality precision seamless steel tubes, enjoying a good reputation and word of mouth. Our company uses high-quality steel billets,according to national standards of professional