Beijing Changyu-Lihua Hydraulic Systems Engineering Design Co., Ltd., located at the first 10, North Jiuxianqiao Road, Chaoyang District of Beijing, is a subsidiary company of Zhangjiakou Great Wall Hydraulic Cylinder Co., Ltd. And we are engaged in designing and producing high-qualified hydraulic cylinder, hydraulic systems and non-standard hydraulic equipments. The products involve 8 series and 1161 varieties. The main products are hydraulic cylinder, hydraulic systems and non- standard equipments, which are used for engineering, special vehicle, metallurgical & mining and other purposes, with 20-200mm, up to 18000mm max stroke, 6.3-60MPa working pressure.

Main hydraulic cylinders we produced are: hydraulic cylinder for engineering equipments, such as truck crane, excavator, rig, and loader; hydraulic cylinder for special vehicles, such as pump truck, fire fighting truck, garbage truck, vehicle working at high altitude, mining vehicle, and vehicle at both port and airport; hydraulic cylinder for mining and metallurgical industry, such as crusher, mining supporting, heading machine, shield machine, coal cutter, smelting machine, rolling machine; hydraulic cylinder for special applications, such as aviation and airport facilities, port facilities and ship, industrial machines, maintaining equipment and servo facility. Non-standard equipments include: high-precision hydraulic cold-drawing machine, semi-automatic and automatic straighterners, and external cylinder honing machine.