serration flange bolts with flange nuts

Haiyan Guangda hardware CO.,LTD. is located in haiyan county 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 Hangzhoubaycross-seabridge.

Our company was established in 1992, covering a land area of 7,600 square meters, with total investment of rmb 16million yuan. as a manufacturer of fasteners, we design, manufacture and sell many kinds of fasteners according to ansi, din, bs, uni and iso standards.

we mainly produce hex bolts, flange bolts, carriage bolts, square head bolts, and non-standard bolts as required. Assured with iso9001 quality system, based on the concept: quality is the life, and faith is the root. we strictly follow the requirements of customers, and continuously improve our production technology, improve our product quality to meet or even exceed the quality requirements of customers. We would like to develop together with our customers in the competitive market all over the world, and welcome you to our factory for review, instruction and bargaining. we will supply you with satisfaction service.