Black Square Tube - China Manufacturers, Factory, Suppliers

We believe that long expression partnership is often a result of top of the range, value added service, prosperous encounter and personal contact for Black Square Tube, Slotted Angle Steel , Rectangular Steel Tube Manufacturers , Api 5l X46 Welded Pipe , 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.