Qingdao Jiudingli Steel Structure Engineering Co., Ltd.The company have been working professionally in this industry for 22 years.The company has more than 20 invention patents and utility model patents.The company has passed ISO9000 quality certification system, environmental management system, occupational health and safety management system certification and CE certification

The company has professional technical research and development and talent training system.There are various technical and economic titles of professional personnel more than 200 peoples.They are familiar with the manufacturing process of photovoltaic support,transmission line tower, steel structures,communication towers,and other products, and they master the relevant technology.

In terms of equipment, we have CNC cutting machine, 3,200 tons of double-machine linkage bending machine, three-roll hydraulic plate rolling machine, Hydraulic plate shearer, edge planer, end milling machine, automatic sandblasting facilities, paint film drying equipment, investment and introduction of the international advanced “JCO” method of large steel pipe automatic production line 2, Angle steel joint automatic production line 6, 3200 T pressure conical pipe automatic production line, flange automatic welding equipment, high-precision riveting coordinate platform equipment. It has various types of X-ray flaw detector, ultrasonic flaw detector, universal testing machine, carbon sulfur automatic analyzer and other physical and chemical test equipment, and is equipped with nondestructive flaw detection room and physical and chemical laboratory.

The annual production capacity can reach 360,000 tons.