2026-Shanghai Longshi Fastener Manufacturing Co., Ltd.

Shanghai Longshi Fastener Manufacturing Co., Ltd. is a professional high-performance fastener manufacturer based in Shanghai. We integrate R&D, production, sales and service, holding ISO9001, ISO14001, ISO45001 and EU PED certifications, and can provide EN10204 3.1 inspection certificates. Our main products include petrochemical studs, corrosion-resistant coated fasteners, pipeline & valve bolts and nuts, marine engineering fasteners and customized special-shaped parts. With high automation production equipment and complete testing facilities, our products serve equipment manufacturing, petrochemical, pressure vessel, fluid installation and other industrial fields. Insisting on quality excellence and integrity service, we provide systematic fastener solutions and reliable products for global customers. We pursue long-term stable cooperation and mutual development with clients worldwide.