Fastener, Nuts, Wheel Hub Bolt manufacturer / supplier in China, offering Heavy-Duty Galvanized Stud Bolts for Industrial Applications and Durability, Circlip / Internal Circlip / Retaining Ring / Steel Circlip (DIN472 / D1300 J), Metal Stud Bolts Class 10 with Hot DIP Galvanizing for Strength and so on.