Shandong Xinhaiyuan Equipment Installation Co., Ltd. was established on September 6, 2005, with its registered address at the east end of the outer ring road in the south of Gaoqing County. The legal representative is Gao Jialin. The business scope includes the installation of pressure pipelines (GB class GB1, GB2 (1) level, GC class GC2 level, with the validity period subject to the license); Chemical and petroleum equipment installation engineering, mechanical and electrical equipment installation engineering, anti-corrosion and insulation engineering, municipal public works, building decoration engineering, landscaping engineering, fire protection facility engineering, steel structure engineering, and earthwork engineering construction; Maintenance, dismantling, and cleaning of petrochemical equipment; Production and sales of petrochemical equipment, papermaking equipment, electrical equipment, and electrical equipment; Clearing and transportation of waste soil; Labor subcontracting (excluding labor dispatch); Production and sales of water-based paint.