Haiyan Trading Co., Ltd. near the Shanghai-Hangzhou Expressway. Be apart 5 km from World First Bridge - Hangzhou Bay Bridge, with a total area of 5000 square feet. The current production of leading products for the filament rods in the teeth of many years of experience in the industry, and strict control of raw material sources, using the fine steel, to ensure that the products of good quality. Product standards, including American, German standard, British standard, grade 4.8-8.8 level.

Companies adhere to the principle of "Quality is the life, integrity is the lifeblood"...