roofingscrew

Shanghai Zinsn Industrial Co.,Ltd. is a professional fasteners manufacturer, distributor and exporter which consists of foreign trade department, the domestic trade department, the manufacture department and five external agencies, has two separate factories.Our company is always directed by the market on the basic of production,Also we have an outstanding team including senior managers, engineers, professional inspectors and expert sales to assure you of our friendly co-operation.
We regard quality as the life of the company. Our company persists good quality as the first policy and has established a set of quality control and inspection system according to the international standard. We have carried out ISO9001 Quality Guarantee System in every course of production, transportation and selling. In addition, we have advanced inspecting machines and methods to meet your requirements and safeguard your benefits.