无锡市标准件厂有限公司
Founded in 1956, Wuxi Fastener Factory Co., Ltd. has 70 years of professional experience in manufacturing various types of high-strength fasteners. In addition to products that comply with national standards, we are also able to produce fasteners conforming to ASTM A193 (Grades B7, B7M, B8 CL1/2, B8M CL1/2, B16) and ASTM A320 (Grades L7, L7M, L43, B8 CL1/2, B8M CL1/2), as well as nickel-based alloy fasteners (Grades A453 660, N07718, N06625, S32750, S32760) and their matching nuts.
Website：www.xibiao.cn