Shanghai Zinsn Industrial Co.,Ltd. is a professionalChina carbon steel fasteners manufacturers and stainless steel fasteners suppliers, we are China phillips drywall screw distributors, Our main products include all kinds of and all sizes of screws used in construction machinery, general machinery, municipal construction and other fields, Deutch Industrial Norm (DIN), American Standard (ANSI), Britain Standard (BS) and Japanese Industrial Standard (JIS), etc. [
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