Haiyan Shengchang Fastener Factory is a professional manufacturer for Fasteners.The factory is located in Shuangqiao Village,Wuyuan Town,Haiyan County,Jiaxing City,Zhejiang Province near the shanghai international airport.it is about 45minutes by car.So the traffic is very convenient. Our products include: Concrete screw,window frame screwWe have exported our products to all of world Products quality,competitive price,and friendly severive is our advantage. Warmly welcome customer negotiate the business with us.