Zhitong Finance App News, Kejingyuan (301372.SZ) announced that Beijing Kejingyuan Equipment Installation Engineering Co., Ltd., a wholly-owned subsidiary of the company, signed a “Construction Project Professional Subcontract Contract” with the contractor Yunnan Jinshajiang Construction Engineering Co., Ltd. The name of the project is: Professional subcontract project for equipment supply and electricity installation and supporting municipal pipeline network renovation, with a contract amount of 280 million yuan.