China Octg Coupling - China Manufacturers, Factory, Suppliers

carry on to boost, to guarantee products excellent in line with market and consumer standard specifications. Our enterprise has a quality assurance system are actually established for China Octg Coupling, Nipple Coupling , Coupling Factory , Api 5ct Couplings , 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.