Steady performance and high durability
12months quality guarantee
More than 10yrs experience

TIANZHI AO XIN MACHINERY is loacted in Quanzhou City, Fujian Province, China. We have been manufacturing and designing different kinds of Hydraulic Cylinders since 2001

1) Short Introduction:

We supply all kinds of hydraulic cylinders for excavator including Boom cylinder, Arm cylinder and Bucket cylinder, which are applicable for Catepillar, Komatsu. Hitachi, Doosan, Volvo, Hyundai, Kobelco, Sumitomo, Kato, Beijing etc. We also can supply the cylinder parts to our customers such as the cylinders, rod pistons, cylinders, headcylinders, plungers, nuts, etc.

2) Features of hydraulic cylinder:

Steady performance, high durability

3) Production technology and specification:

We use the cold draw seamless steel tubes with strong honing technique. Length of the cylinder can reach up to 3m with diameter from Ø 40~Ø 400. The piston rods are made of 40Cr with treatment of quality adjustment followed by high frequency quenching and then hard chrome plating, which makes it flexible inside and hard outside with high smooth surface. The piston rod's adopt quality NOK seals and diameters are from Ø 5~Ø 140. The quality of our cylinder is ensured by high-pressure test bed.

And we have successfully passed ISO 9001: 2000 in aspect of our production and sales of our hydraulic fittings. We adop 2-2.5%llAQL sysstem for quality inspection and 100% for hydraulic testing before shipment is ensured.