Jiangyin Guosheng Hardware Machinery Co., Ltd. is a joint-stock enterprise with self-supported import and export right. At present, it employs over 150 staffs, 20% of whom are different kinds of technicians, besides, it covers an area of 10000m2， with workshop area of 6000m2， and it possesses a fixed asset of RMB12, 000, 000. Our company is an enterprise professionally producing ring flange for pipelines, it holds advanced production equipments and different inspection equipments, the production equipments include various specifications of lathes, forging machine, counterbore tool, etc., while the inspection equipments include Germany imported spectrum and defect detecting room and labouratory. It produces 800 tons of carbon steel, 1200 tons of stainless steel every year, presently, 95% of the products are exported to Japan, America, Germany, Singapore, Australia, Taiwan, etc. In addition, in order to cater for clients&＃039; requirements, we implement production in accordance with Japan JIS standard, U.S. ANSI standard, Germany DIN standard, U.K. BS standard, etc. Relying on quality products, fine credit, we have already won trust from domestic and foreign traveling merchants, and have already passed ISO90012000 international quality system certification.