Quality Control
Zhejiang s-metal co., limited makes inspection of every unit from producing to shipment.
1.We will make raw material inspection before producing if the steel rod has cracks or burs.
3.Also we will make inspection during threads rolling or threads cutting.
5.Our lab has hardness tester and salt spray tester equipment and can inspect the mechanical properties if required.
2.Our skilled workers will inspect the size and tolerance during cold forming.
4.After the surface plating, we will check the sizes and dimensions before packing.
6.S-metal could make goods carefully packed and we will make inspection to assure goods well before shipment.
