Jiaxing dongsheng Technoloty Co., LTD established in the year 2004, is a professional bolt factory. It is located at Jiaxing which two hours' drive to Shanghai.Dongsheng is specialized in all series of fasteners, such as screws, bolts, nuts. With about 20 years' experience in this field, Dongsheng can offer products in accordance with different standards such as DIN, JIS and ANSI. As well as non- standards according to drawings and samples. Our products are sold to more than 100 different countries. Dongsheng focuses on credit and developing win-win and multilateral-win cooperation under the principle of mutual benefit!