200101-00019A DX380 DH380 Abrasion Resistant Excavator Tensioner Track Adjuster Recoil spring Heavy Equipment DOOSAN

About quality and after-sales:
1. Rod seal:superior quality named-brand seals improve a longer life and seal effect polyureth-

ane U-packing rod seals/buffer seals · bonded-to-metal wiper seals custom seals available

2. Tube:Skived&burnished or vertical honing tube assures the concentricity and straightness

3. Bushing:Hardened steel bushing or copper bushing

4. Eye:All eyes are made of forged high strenght steel improve cylinder not only in appearance

but in mechanical performance

5. Rod:Induction hardened prior to chrome plating enhances the surface hardness,enhanced

chrome plating improve corrosion resistence and anti-scratch performance

6. Piston:High pressure piston sealing material:teflon or nylon seals.High precision machining

maximize the consistency of parts.

7. Cap:All caps are made of forged high strength steel

8. Special heat treatment technology prolongs the service life and makes it endure the heavy load and prevent fragmentation;

9. 40tons and its below models use ring forging process which ensures the quality even better.

FAQ

We have warranty for our clients,we will ship out the new replacements if clients get the item with defect or broken frame

ZHENGHUI is family business created in 1996. ZHENGHUI manufactures and distributes direct replacement parts for all the main construction, quarry and mining OEM brands. ZHENGHUI began as a fastener specialist for earthmoving machinery and public works. Over the years the company expanded the range of products, entering into new sectors such as wear material and spare parts. Today, it is one of the main national and international references in the manufacture and distribution of spare parts and oem casting parts for public works machinery and mining.

To excavate and develop capacity and talents, we have regular and irregular training and sharing about products, shipment, foreign trade, foreign cultures, etiquette, etc. Moreover, we take part in exhibitions and visit customers in various countries to do the communication.