Shanghai Zinsn Industrial Co.,Ltd.
is a professional China Roofing screw,color hex head,self drilling Suppliers
and Roofing screw,color hex head,self drilling Factory
. Our products are mainly used in engineering machinery, general machinery, municipal construction and other fields, including wholesale Roofing screw,color hex head,self drilling
and other sizes of screws, Dutch Industrial Standard (DIN), American Standard (ANSI), British Standard (BS) and Japan Industrial standards (JIS) and other products are also exported to many countries in North America, South America, Europe, South Africa and the Middle East.Our company adheres to the principle of quality first, and has established a set of quality control and inspection systems that meet international standards. We have implemented the ISO9001 quality assurance system in every process of production, transportation and sales. In addition, we have advanced inspection equipment and methods that can meet your requirements and protect your interests.