Shanghai Hengrui Industry Co., Ltd was established with supplying professional technical support, and high product quality, consistency and excellent customer service for our customers. We are located in Shanghai, close to Shanghai port, specializing in standard & non-standard fasteners and custom finish turning/machining parts, and stamping parts. Win-Win cooperation is our culture, strictly control product quality, delivery time and offer good service to our customers, we won many big project clients in USA, Canada and European countries,  as well as some big distributors worldwide. Hengrui's Product Line: 1. Bolts: hex bolt, h...