The company was founded on April 1, 1984, with the former name of "yixing gaocheng environmental protection equipment factory".
       June 12, 1986 the predecessor of the design institute - "yixing building environmental protection design institute" was established.
       In January 1994, the company changed its name to yixing peng harrier environmental protection co., LTD.
       In 1995, jiangsu peng harrier environmental protection group co., LTD was established.
       In April 1997, peng harrier environmental protection group and cheng town government founded yixing peng harrier ecological agricultural science and technology demonstration park.
       On July 15, 1997, jiangsu peng harrier environmental engineering contracting co., LTD was established.
       June 21, 2000, yixing peng harrier sunshine environmental protection co., LTD.
       On March 18, 2002, jiangsu peng harrier environmental engineering technology research center co., LTD was established.
       On December 11, 2003, the peng harrier environmental protection group reorganized its main board listing in Singapore.
       On December 3, 2004, Asia environmental protection issued shares to acquire chuangxi environmental protection.