Company Information
Shandong Dahan Construction Machinery Co., Ltd was founded in Dec. 2000, specialized in manufacturing various types of tower cranes 3T Luffing Tower Crane and construction elevators, and is pioneer of Chinese tower crane industry.
At present our products cover 9 series and more than 20 models, such as QTZ40, QTZ50, QTZ63, QTZ80, QTZ125, QTZ160, SC200/200, the technical indicators have reached the leading level at home and abroad.
High quality of Tower Crane Spare Parts L46A1 Split Mast Section Form China Manufacture
Raw material is the foundation of product and the first hurdle to guarantee quality. Dahan tower crane bulk purchase steel directly from big steel factories like Baosteel and Wisco, improve the safety of product.
Robot automatic welding system for Tower Crane Spare Parts L46A1 Split Mast Section Form China Manufacture
Dahan company is the first company to adopt mast sections and main chord robot welding system in the same industry in China. This system is reliable in the performance, with high work efficiency and high automatic degree. The welding quality of main load structure has reach has reach advanced international degree in the same industry.
Safety protection for Tower Crane Spare Parts L46A1 Split Mast Section Form China Manufacture
Completely safety protection devices improves the safety, weight limiters, adopt the advanced pull-ring structure from abroad, moment adopt bow-board mechanical type which can be used in severe wild environment.
Automatic impeller blasting and spraying assembly line for Tower Crane Spare Parts L46A1 Split Mast Section Form China Manufacture
Dahan company adopt the world first-class automatic spraying assembly line. The large structure parts are dealt with impeller blasting before spraying. That remove steel surface oxides and welding spatters effectively, eliminates the internal stress producing in welding process, increases the parts’ anti-figure strength and steel surface hardness, increases painting adhesion and prolong the service life of the product maximizes efficiency and saves energy.
Strict quality examination for Tower Crane Spare Parts L46A1 Split Mast Section Form China Manufacture
Dahan have the strict quality test, raw material test, test of welding, checking welding quality of appearance, assembly and adjustment of jib, tower head and pivot in factory.