Guilingyuan Technology (Chongqing) Co., Ltd. Is An Integrated Industrial and Trade Enterprise, established in 2018, with its headquarters located in Chongqing. It is a self-developing and construction-integrated original equipment manufacturer. Its subsidiary of Chongqing Xuanwa Construction (Group) Co., Ltd., specializes in manufacturing all kinds of piling tools, square pile drilling bits, cutting teeth, casings, casing oscillator etc. Through innovative processes like quenching during machine part fabrication, the company has enhanced the strength and lifespan of its products. The products are characterized by stable quality, robustness, durability, and high cost-effectiveness. Our mission is surpass the highest industry standard.