Round Head Self Drilling Screw - China Manufacturers, Factory, Suppliers

Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for Round Head Self Drilling Screw, Long Drill Tail Hex Flange Head Screw , Galvanized Hex Head Roofing Screw , High Precision Self Drilling Screws , Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We've got tightened inspection for quality of product.