我们公司生产各种品牌起重机液压缸，5吨-100吨起重机油缸，大臂伸缩油缸，变幅油缸，支腿油缸，型号齐全，可以适配起重机品牌，例如：徐工、三一、中联、 利勃海尔、长江、等等。

   较长的液压缸缸筒采用冷拔加工，选用优质钢材16Mn，调质热处理，抗力强度620MPa，内孔采用珩磨加工，粗糙度达到0.04微米以下，提高了液压缸内部油封的密封效果和支撑环的耐磨性。活塞杆采用优质钢材45#，调质热处理，经过车削加工、磨削加工、电镀等加工，优质的钢材和精细的加工使产品的质量有保障。

   可按客户提供的图纸和标准定制。

Introduction to Crane Hydraulic Cylinder

Our company produces various brands of hydraulic cylinders for cranes, including 5-100 ton crane oil cylinders, boom telescopic oil cylinders, variable amplitude oil cylinders, and leg oil cylinders. The models are complete and can be adapted to crane brands such as XCMG, Sany, Zoomlion, Liebherr, Changjiang, and so on.

The longer hydraulic cylinder barrel is processed by cold drawing, using high-quality steel 16Mn, quenched and tempered heat treatment, with a resistance strength of 620MPa. The inner hole is processed by honing, with a roughness of less than 0.04 microns, which improves the sealing effect of the internal oil seal of the hydraulic cylinder and the wear resistance of the support ring. The piston rod is made of high-quality steel 45 #, which has undergone quenching and tempering heat treatment. After turning, grinding, electroplating and other processing, the high-quality steel and fine processing ensure the quality of the product.

Customization can be made according to the drawings and standards provided by the customer.