Product model Parameters

1.Company profile 

*History: 22 Years of history, the registered capital of 60 million yuan
*Scale: 180000 square meters,with 500 employees
*Capacity:Annual production of more than 200,000 sets
*Equipment:700set ,invested a large amount of money in introducing one electroplating production line.
*Certificate:ISO9001,ISO/TS16949,ABS,AQA etc
*Delivery time:20 Days
*Service:52 Service Outlets nationwide,24-hour Service
*Accept Custom

2.produce line
700 sets manufacturing equipment,such as cold drawing production line ,heat treatment production line ,surface treatment production line,testing equipment,various digital-control machining equipment,gantry style linear electroplating production line.

1.Raw materials entering the factory, 27SiMn, 40CrMo, ST52, 45# steel tubes or bars for choice

2.Do the pre-treatment including pickling, phosphating and saponification, and then cold-draw the seamless steel tubes.

3.Put the steel tubes into the tempering furnace to do the stress relief annealing in convenience of the subsequent the processing

4.Multi-roll straightening machine, with 10 straightening points, achieves the automatic rolling straighten, improving the efficiency greatly

5.Heat treatment to obtain workpieces with different properties by changing their internal microstructure or surface chemical composition

6.Cylindrical degree can be controlled within 0.03mm and the surface roughness is up to 0.4 by honing with range:φ40mm-φ450mm and longest length: 12000mm

7.Machining processes to obtain high precision parts with complex shapes strictly according to the detailed drawings

8.Electroplating production processfulfillsthe functional and ornamental requirements for coating workpieces of different dimensions according to specific application requirements.

9.Cleaning all the parts by automatic cleaning machine in the special solution and under specific temperature control effectively

10.All the parts are assembledinto complete cylinders according to the strict assemblyinstructions by skillful workers in dust-free workshop.

11.Do proof pressure and performance tests to check whether the cylinders can operate smoothly and stably under the specified pressurewith no leakage and deformation

12.Do the painting including high quality primer and topcoat to obtain beautiful appearanceand protect the cylinders against the anticorrosion.

13.Wooden palletor boxes packing with plastic films wrapped on the surface, suitable for long-time sea transport




3.Quality guarantee system

Program before Delivery

1. Trial Operation Test

2. Start-up Pressure Test

3. Pressure-Tight Test

4. Leak Test

5. Full Stroke Test

6. Buffer Test

7. Testing the Effect of Limit

8. Load Efficiency Test

9. Reliability Test

Every piece of hydraulic cylinder are tested and will send out only after they are pasted the each test

4.Guarantee and after sale service:
>7 x 24 hours technical support through email
>Goods will be delivered safely on time
>Warranty within 14 months of the factory date
>Life long time track service

 

5.Certificate

6.Why Wantong?

1.Complete Manufacturing Processes:
The company has complete and total manufacturing processes from raw material entering to factory and up to the final finished products to customer.Which all are done under same premises.Therefore we can control the quality and delivery time at our best.

2.Strict Quality Control system:
We have gained ISO/TS16949, CCRI, CCS, and DNV AND ABS, API,etc and the quality of the products has been controlled in strict accordance with the certification standard.

3.Rich Market Experiences:
Many years cooperation with famous brands,likeSINOTRUK,CIMC,SHACMAN,ZMJ and YANKUANG GROUP.

7..Dream
*Company vision:Act as the laeder of internal hydraulic industry
*Enterprise concept:Better and stronger
*Core values:Learning and innovation,equality and justice,customers the first,and quality winning the world
*Enterprise spirit:Complete sincerity,complete precision more excellent,and up to date
*Quality policy:Pursue zero defects of our products,and realize zeo customers' complains
*Company type:Respond quickly,act immediately,finish what to do today,and improve day after day