Shanghai Zinsn Industrial Co.,Ltd. is a Hex washer Head self drilling screw suppliers,
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. also exported to many countries in North America, South America, Europe, South Africa and Middle-East Asia.
We hope our company could be your partner in business by topping quality, knight service and competitive prices in the near future and be your friends as well.
