Shanghai Hengrui Industry Co., Ltd is 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 and offer good service to our customers, we win many big project customers in USA, Canada and European countries,  as well as some big distributors worldwide. Hengrui's Product Line: 1. Bolts: hex bolt, hex cap scr...