Profile: Kind Fasteners Co. Ltd. specializes in manufacturing corrugated fasteners. We offer bulk and strip corrugated fasteners. We also manufacture steel nail series. Our corrugated fasteners are made of steel boards. The surface of our steel nails is with zinc plating. The ST, FST nails pass through a hardness treatment, so that the nails have a high tensile stretch & penetrative performance, which can be used in linking steel boards (less than 3mm) & wood and, also wood & concrete walls. HT steel nails belong to the common intensity grade, which is used in linking hard wood, binding the frames in construction, furniture and decoration.