Close Die Forged Cylinders Machined Precise Sleeve Oem Customized
Carbon Steel Bushings Fabrication
Steel cylinder products
We are the manufacturer specialized in machining heavy duty forging
parts for nearly 18 years.Our
products, such as drive shaft, Forging Hollow Shaft, Shaft Sleeve,
Eccentric shaft, Forging rod, Large
bolt, Heavy Duty Hydraulic Cylinder, are widely used in coiled
material, petroleum, metallurgy, mine,
machinery and transportation industry. etc.
Packaging & Delivery
Export standard package or according to customer requirem
30~60days according to various quantity
Forge+drill & bore+
Forging+drill & bore
Other parts in deep-hole
Forge+ drill & bore
1.Inquiry with drawings in details.
2.Confirm steel material, chemical compositions, mechanical
3.Confirm payment terms,order materials or check material in stock.
4.Check material chemical compositions, material weight, dimensions.
5.Cut materials record weight, making mould for casting of
pr-hearting for forging.
6.Forging ratios, heat treatment ,dimension check.
7.Rough machining, UT test,heat treatment.
8.Fine machining, UT test, dimension inspection, mechanical
9.Customer inspection, packing, delivery arrangement.
Steel ingot making
EAF+LF+VD/VAD or ESR
EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough
machining + UT test + Quenching & Tempering + Precision
Chemical composition report, Physical properties report, Heat
treatment report, Dimensional inspection report, NDT report
Nondestructive test (NDT)
UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT (
Quality certification : ISO 9001: 2008, IQNET