QR company was registered as one of the High-tech enterprises who research & develop the Pre-stressed Concrete Technology and the supporting tensioning equipment, and its core products include the anchorage system and pre-stressing equipment. Now we have become the industry leader in the field of Pre-stressed Concrete after accumulating the rich tech experiences through several years by practicing. QR is always committed to providing the excellent design program, supplying the materials and constructing for the modern building, bridge and particular project. In the meanwhile, we could accomplish both to ensure high quality and to control economic costs in maximum for our esteemed customers.