On November 20, 2014, a group of experts organized by the Shandong Construction Machinery Industry Management Office conducted a comprehensive inspection and examination of the "Tielishi" series tower cranes and their supporting parts produced by Shandong Hongda Construction Industry Group, and passed the on-site inspection of the tower cranes for record and certificate exchange at one time.
The Management Office of Shandong Construction Machinery Bank conducts a review of the tower crane's record and certificate renewal every two years. The purpose is to strengthen industry management, standardize production standards and strict market access for production enterprises. The review of tower crane's record and certificate renewal requires enterprises to provide safety device, display and record device (black box), hydraulic jacking, slewing support, lifting mechanism, slewing mechanism, luffing mechanism, high-strength bolt product "record certificate", and to sample and inspect one type of tower according to three types of products: large (above QTZ160), medium (above QTZ80-QTZ125), small (below QTZ63). Each series of machine accessories is sampled and checked one model according to large, medium and small size. After strict inspection and examination by the provincial expert group, Shandong Hongda Construction Group's self-designed and manufactured series of tower cranes and supporting parts meet the national standards, enterprise production management norms, complete records, highly appraised by the expert group.
Shandong Hongda Construction Industry Group Co., Ltd. is the backbone enterprise of the national construction machinery industry. It has been producing tower cranes for more than 30 years. Especially in recent years, the group company has always listed product science and technology innovation as the primary strategy for enterprise development. The company's scientific and Technological Research Institute has established long-term scientific and technological cooperation with more than a dozen universities, well-known enterprises and industry research institutes at home and abroad. It not only pays attention to the introduction of technological optimum design, but also pays more attention to grasping the frontier knowledge of science and technology and speeding up independent innovation. The company has developed more than 10 new products, such as boom type, remote control type, flat head type and internal climbing tower crane, and has upgraded and replaced the old products, maintaining the leading position of the overall technical index of Hongda "Tielishi" brand series tower crane in the same industry in China. The "Tielishi" brand is recognized as a "well-known trademark". The products cover all provinces and cities in China and are exported to more than 30 countries in the world.
