The road and bridge construction business department of Henan Dafang Heavy Machine Co., Ltd. is a heavy equipment company dedicated to the whole process of design, production and installation of road and bridge construction equipment and steel structure bridges. The factory covers an area of 850,000m², has more than 1,600 employees. We have an annual output value of 600million USD. Our company's business involves heavy lifting equipment in the crane industry, road and bridge construction, steel structure and other large-scale basic equipment. It has rich design experience and advanced management mode, a complete sales service and a strong technical development team. After 20 years of development, DAFANG group has become China's first-class crane manufacturing company.
Eliminate the stress of the workpiece and the oxide scale on the steel surface, and improve the service life of the workpiece and the quality of paint coating.
The plasma cutting machine has the characteristics of fast cutting speed, small incision, small deformation, and material saving.
Gantry automatic welding production line is a gantry welding machine specially designed according to the welding requirements of the beam box.
It is a large-scale equipment designed and produced by our company. It can press groove of various specifications below 22.5m and form them at one time.
It is mainly used for hole finishing. Be used for drilling, boring, reaming, reaming and machining end plane, and can also be used for turning cylindrical surface and thread.
Before leaving the factory on the electric hoist in the case of no-load, heavy load voltage, current, noise and other aspects of a comprehensive test.
SGS test Magnetic particle nondestructive inspection (UT)
Stretching test
Metallographic analysis
Ultrasonic flaw detection
Chemical analysis
Electric hoist load test
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