Nantong Haibao Construction Machinery Co., Ltd. obtained the third-class construction qualification of lifting equipment installation engineering in January 2015, obtained the "Construction Enterprise Safety Production License" in March of the same year, and obtained the "Construction lift Class B Manufacturing License". Tower crane, construction lift installation and maintenance of class A and construction lift transformation of class B special equipment installation and renovation maintenance permits in July 2018. Mainly engaged in QTZ160 tower crane leasing, SC type construction lift leasing and installation services, in line with the "safety first, customer first, first-class service" business philosophy, the existing engineering and technical personnel 8 person, professional installation personnel more than 20 person, maintenance personnel 5 person. After several years , the scale of the company continues to grow. Under the background of increasing competition in the construction machinery industry, the company constantly brings out the old, eliminates the old equipment and adds more than 100 sets of new frequency conversion construction elevators, more than 10 sets of QTZ100, QTZ125 and QTZ160 tower cranes, and currently has more than 250 sets of proprietary equipment. The annual production of about 30 million yuan, mainly in the service area of Jiangsu, Zhejiang, Shanghai, Shandong and other regions. We reached a strategic partnership with China Construction Eighth Engineering Division Co., LTD., cooperated-building with China Construcion Fourth Engineering Division Croup.Ltd Zhongyifeng Construction Group.,Ltd, Shanghai Greenland Construction (Group) Co., Ltd, Jiangsu Nantong Secondary Construction Engineering(Group)Co., Ltd ,Jiangsu Nantong Third Construction Engineering(Group)Co. ,Ltd, Jiangsu Nantong Fourth Construction Engineering(Group)Co. ,Ltd , Jiangsu Nantong Eighth Construction Engineering(Group)Co. ,Ltd , and other well-known construction industry contractor units, we got satisfaction and straight a feedback from the customer. In the future, the company will continue to contribute to the development of the construction industry with high standards of technology, high quality machinery and equipment, and high requirements of installation and maintenance services.