Product detail Parameter
| Item | NominalCylinder Column diameter(mm) | Code | Effective resietance(Kn) | Column Sedimentation Force(kn) | Spherical Radius of Column Head(mm) | Spherical Radius of Cylinder Bottem | Diameter of connection bore of column head(mm) |
| 1 | 180/165 | LJGGN18675628D2G | 1100 | 127.5 | 60 | 70 | 35.2 |
| 2 | 200/185 | LJGGN20675628D2G | 45Mpa | 31.5Mpa | 75 | 80 | 35.2 |
| 3 | 220/185 | D200Y | 1800 | 158 | 75 | 100 | 35 |
| 4 | 220/185 | J200Y | 1800 | 158 | 75 | 100 | 35 |
| 5 | 220/185 | D160D | 1800 | 158 | 90 | 600 | 35 |
| 6 | 220/185 | J200D | 1800 | 158 | 90 | 600 | 35 |
| 7 | 230/220 | D230Y | 1800 | 110.4 | 89.5 | 62 | 44 |
| 8 | 230/210 | J230Y | 1800 | 216.7 | 89.5 | 62 | 44 |
| 9 | 250/230 | GFO58-31 | 2000 | 168 | 90 | 125 | 54 |
| 10 | 280/260 | Y228-30 | 2200 | 267 | 90 | 125 | 59 |
| 11 | 320/290 | 2T/LK320C | 2600 | 452 | 100 | 150 | 64 |
| 12 | 360/340 | F097-30 | 3750 | 346 | 100 | 200 | 64 |
| 13 | 400/380 | GY027-31 | 5400 | 400 | 110 | 210 | 64 |
| 14 | 500/470 | ZT/SLG500B | 8247 | 720 | 140 | 280 | 80 |
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 line700 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 transport3.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
8.FAQ: Q1: Are you a manufacture or a trade company?
Answer: Manufacture, we are the leader manufacturer of hydraulic industry in China with 20 years experience and technology.
Q2: Do you have quality control system?
Answer: Yes, The quality management system introduced is: ISO/TS 16949:2009-certified by NQA and IATF cert.
Q3: How can i get a booklet and buy a cylinder from you?
Answer: Very easy! Just leave me a message or email and tell me your requirement, let me know you are interesting in our products.I will talk with you for the details soon!
Q4: Can you tell me the price for the cylinder?
Answer:
1. Please help inform your drawing with detail requirement.
2. Please help inform the cylinder NO. after you check our booklet.
3. Please help inform the tipping capacity, strokes, number of stages, closed length, mounting type and size and other information.
4. Please also help inform the quantities, this is very important.
5. Your destination port.
Q5: Do your products come with a warranty?
Answer: Yes, we have one year warranty. In this year, if the quality problem we will free repair for you.
Q6: Can I customize our products from you?
Answer: Yes, we can make products according to your requirements. Please kindly send me your specifications and drawings.
Q7: Can you help me to install or give me advice about what kind of hydraulic cylinder or power pack should I use for specific machine?
Answer: Yes, we have 25 experienced engineers who are always ready to help you. If you do not know what kind of hydraulic cylinders should be used in your machine, please just contact us, our engineers will help you to design the exact products you need.
Q8: What is the delivery time?
Answer:
20 days for mass production, which is depend on quality, production process and so on.
Q9: What is your main payment itme?
Answer: T/T and L/C.9.CONTACT USShirly Wang
Shandong wantong hydraulic co.,ltd.
Add:500m east of Wulian Railway Station ,Rizhao city,Shandong Province,China
Mob:86-17763326518
Tel:86-633-8303828
A specialized hydraulic design,R&D,and manufacturing enterprise
Web:www.wantonghydraulic.com
Wantong Hydraulic, which is leading manufacturer in China and had been major in Hydraulic industry for 22years.
Strong productive ability and strict quality control could ensure steady and high quality.
Impeccable after-sales service makes customers' purchase and sale more confident.
Advanced technology and equipments' Application and huge raw material purchase reduced our cost and make our competitive price.
Moveover, there is one seamless tube factory built by us in 1995. The whole processing can be controlled.
Main products as following.
>Customization Cylinder
>Dump Truck Hydraulic Cylinder
>Hydraulic Hoist Series / Tipping System
>Coal Mining Equipment Cylinder / Oil Equipment Cylinder
>Crane Cylinder / Lifting Cylinder
>Special Vehicle Cylinder
>Hydraulic Station,
>Seamless Steel Tube: Hone/Rolling/Bumishing tube.
Our Annual output 200, 000 sets, we could delivery quickly and meet your immediate demand.
To meet clients' need is always our consistent pursuit. We would be happy to know your specific requirement and we believe our supply can perfectly match your needs.
