Shanghai Sungao Industry Fastener Co., Ltd. is a professional hardware manufacturer that combines design, production, logistics and marketing as a whole.

We introduced domestic and foreign high-quality steel, manufacturing standard piece include Chinese national standard (GB/T), the world industry standard (ISO), German standard (DIN), British standard (BS), American standard (ASTM/ANSI), Japanese standard(JIS/B) and etc. On the other hand,we provide series of machinary machining

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