In 2011, our company signed a contract with Inner Mongolia Datang International Keshiketeng Coal and Natural Gas Co., Ltd. for the first phase of air separation gasification oxygen pipeline and equipment degreasing and acid washing project. Our company formed an excellent construction team, adhered to strict quality requirements, and successfully completed the work, receiving unanimous recognition and praise from the owner; And in 2012, we successfully undertook and implemented the degreasing and acid washing project for the methanation equipment in cooperation with the company again.