Haiyan Guangda Hardware Co., Ltd. is located in Haiyan county of Zhejiang province, only 108km from Shanghai, and 10km from the Hangzhoubaycross-seabridge. Our company was established in 1992, covering a land area of 7,600 square meters. As a hex bolt manufacturer of fasteners, we design, manufacture and sell many kinds of fasteners, carriage bolt according to ANSI/ASME B18.2.1, DIN, BSW, and ISO standards. We mainly produce hex bolts, hex nuts, carriage bolts, T-bolts, U-bolts, machine screws, thread rods and non-standard according to the drawings. Assured with ISO 9001 quality system, based on the concept: quality is the life, and faith is the root. We strictly follow the carriage bolt requirements of customers, and continuously improve our production technology, improve our product quality to meet or even exceed the quality requirements of customers. We are exported worldwide and supplied to Europe, Asia, Africa and America. Our products are widely used in tower, construction, guardrail & other industrial fields. We would like to develop together with our customers in the competitive market all over the world, and welcome to our factory, instruction and bargaining. We will try our best to give customers good service.