40mm Precision Shock absorber piston with steel ring of PTFE coating band on OD

damping piston, piston, base valve, pistion rod guide are our mainly exported products.

Material:

Carbon steel, Low Carbon steel, middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550,

Alloy Carbon steel: G25CrMo4, Heat Resistant Steel,

Stainless Steel: CF8, CF8M, . G-X6CrNiMo1810, G-X7CrNiNb1189, SUS 304, 304L, 316, 316L.OR

According to customer requirement

Copper alloy

Brass: HPb59-1, CuZn39Pb1/2/3, CuZn40, C36000, C37710, C67400, etc.

Aluminum Bronze: QAl11-6-6, CuAl10Fe2/3, CuAl10Ni5Fe5, C65500, C95600, C87500

Sn Bronze: CuPb5Sn5Zn5, C83600, C84400, C86500. etc.

Specifications:

Description:

Product Name: Shock Absorber base valve, foot valve

Raw Materials MPIF FC-0205 or FC-0208

Feature
1. Density from 6.5-6.7 g/cm3
2. Hardness: HRB 60-100
3. Steam treatment: 2H high temp steam holding time, Thickness of Fe3O4: 0.004-0.005mm
4. Full line products for shock absorber, including powder metallurgy piston, rod guide, Foot valve, PTFE band for piston, Du bearing for rod guide.
5. PPAP III is submitted accordingly.

Processing:

Mixing powder— Forming— Sintering— Sizing— After treatment— Steam treatment— Oil impregnant—Packing— Shipping

Manufacture ability
1. Auto Mechanical Press: 50T, 100T, 140T
2. Hydraulic Press: 100T, 315T, 600T, 800T
3. Six sinter furnaces, including one harden Sinter Furnace
4. Heat treatment: Carbonitriding quenching and high frequency quenching
5. Ultrasonic clearing and auto de-burring
6. In-house tooling making: EDM, wire cutting machine
7. Strength in machining: Machine center, CNC milling, CNC lathe, Two end lapper etc.

Test Ability
1. Carbon sulfur determinator
2. Metallurgic microscope
3. Hydraulic universal material tester
4. Hardness testers
5. Pneumatic measuring instrument
6. Measuring projector
7. Gear testing instrument
8. Electrical profile meter
9. CMM

Applications:

Automotive Part
Motorcycle Part
Metal Powder Sintered Parts
Locomotive Parts
Machinery Parts
Tool Parts

Competitive Advantage:

1. High precision
2. 100% quality with competitive price
3. Good abrasion resistance
4. High efficiency
5. Save energy

Picture show:

Our company was set up in a beautiful city Ningbo, which is closed to Ningbo seaport and airport. Weiwo is a specialized company that is engaged in producing auto spare parts, designing and manufacturing electromechanical & machinery spare parts, hydraulic motor and hydraulic valves with different series, agricultural pruning shears and related agricultural products.

We have a strong R&D team with full of creative spirit and develop many new products every year and have obtained many invention and utility model patents.

The products include mechanical shaft and spares, diesel engine parts, sealing element, agricuture tools and equipment, hydraulic motors and valves, powder metallurgy parts, du bushing and bearing, shock absorber parts, stamping parts, plastic and rubber parts, in addition we design and manufacture automatic machine such as shock piston banding machine and groove cutting machine.

As a professional enterprise of manufacturing and trade, we insists on pursuing better quality on and on. We control the quality strictly from raw material to finished parts. We have carried out an integrated production system which is based on quality focus. We refer to the rigorous four aspects ( material importing control→ production line control→ QC department control→ logistic department control ) and quality control system to make sure all the products are intact and perfect before delivery.

As a seller, our products are exported to the whole world and sold nationally for many years. More than one half parts are exported to USA, Germany, France, Canada, Brazil, India, Malaysia etc., have set up good relationships with the customers from home and abroad. We have an intelligent marketing team who are exploring new markets, developing potential customers, solving problems and serving customers with orders well. We firmly believe that we are a competitive and friendly cooperator and our goal is for mutual benefit and long-term cooperation. All the staff in our company will always welcome customers from all over the world to visit and negotiate.