SUNO GROUP LIMITED was found in 1990, certificated by ISO 9001 & TS 16949, as a professional fasteners manufacturer in China. We continue bringing the best possible fastening solution for automotive, railway, electronic and construction industries. We have a large product range as hex bolts, hex flange bolts, tapping screws, machine screws, hex nuts, hex flange nuts, weld nuts, weld studs, stamping parts etc, made from our 3 factories located in Zhejiang, Shanghai and Tianjin. We provide high quality custom components as well with 20 years produce experience. Now we control good quality by in-house testing laboratory, and provide very competetive price than Taiwan, which help us win good repution in worldwide markets.