HAIYAN TONGSHENG FASTENER FACTORY is located in Haiyan Country of Zhejiang Province,only 108km from Shanghai and 98km from Hangzhou,just beside the NO.320 National Road,Shanghai--Hangzhou Highway,Zha-Jia-Su Highway,only 10km from the Hongzhou Bay Cross-sea Bridge. So our factory has very good location and convenient transportation. HAIYAN TONGSHENGFASTENER FACTORY was established in 2010,covering a land area of 5,000 sq.m.,with total investment of RMB 2.5 million. We specialize in producing bolts, High strength Flange bolts, Hex bolts, all kinds of nonstandard parts and so on.We manly export South-east Asia,Russia,Europe,America,etc.All our products are made under strict quality control,with reliable performance, and can be trusted by every customer. In the competitive market,we would like to develp together with our new customers all over the world. At the same time,we welcome you to o factory for review,instruction and bargaining.