Songri was founded in 1996, with its headquarters in Shanghai, China, and its production base at No. 389 Jinhai Avenue, Wenzhou Bay New Zone, Wenzhou, Zhejiang. Songri is a professional manufacturer integrating R&D, production, sales, and service, specializing in high-quality fasteners and custom metal shaped parts. Our main products include a wide range of high-precision fasteners and metal special-shaped components made from various materials, such as premium stainless steel, special stainless steel, chromium stainless steel, nickel-based alloys, superalloys, titanium alloys, aluminum alloys, copper alloys, and more.