Sichuan Jingguda Fastener Co., Ltd. Is a fastener manufacturer integrating R&D, production, and sales. Our main products are high-precision, high-strength bolts, nuts, washers, and custom-made non-standard parts. Our products comply with international standards such as GB, DIN, ISO, ANSI, and ASME. The company possesses multi-station cold heading machines, thread rolling https://www.jgdfastener.com/