Company profile
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
Packaging Details:
Export standard package or according to customer requirement
Delivery Detail:
30~45days according to various quantity
Product List
Name
Technique
Material
Dia/mm
Wall thickness
Length/mm
Forging shaft
Forging+turning+grinding
alloy steel
carbon steel
stainless steel
200-800
----
500-20000
Hollow shaft
Forging+drilling+turning
150-800
≥15mm
≤17000
Shaft sleeve
Forge+drill & bore+turning +milling
400-700
≥15mm
≤18000
Large bolt
Rolled/forge+turning+threading
300-800
----
≤17000
Hydraulic cylinder
Forging+drill & bore+ turning
300-2000
≥10mm
≤10000
Other parts in deep-hole
Forge+ drill & bore+turning+mill
300-2000
----
≤20000
Product Flow
1.Inquiry with drawings in details.
2.Confirm steel material, chemical compositions, mechanical properties, tolerance.
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.Semi-finish, quenching,
8.Fine machining, UT test, dimension inspection, mechanical properties test.
9.Customer inspection, packing, delivery arrangement.
Steel ingot making
EAF+LF+VD/VAD or ESR
Manufacturing process
EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machining
Report
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 ( penetrant testing)
Quality certification : ISO 9001: 2008, IQNET
NingYu was established in October 2001, with the development of more than ten years, it has developed into a comprehensive enterprise based on technological innovation and auto parts & mold production with continuous independent development and technology innovation.
The company has many years of mold design, is also familiar with the requirement and standard of domestic and overseas. The whole model making process( from engineering to bringing to the market) is fully considered when providing model design. The design software include PRO-E, UG, Master, Auto-CAD and Solidworks. The company is equipped with advanced processing equipment, including four CNC machine center, ten precision numeral control lathes, two MS-WEDM, two LS-WEDM and two EDM. The production equipment include ten 1000-2000 gram servo injection molding machine, two 1000 gram rubberizing machine and production line of 1600T, 1000T and 830T friction press.
Our main product include rubber&plastic product, thrust rod&accessories for heavy truck, forging parts and mold design&making.
NingYu all staff sincerely welcome your visit and will service for all old and new customers at home and abroad. Let' S work together for a glorious and prosperous tomorrow!
