Gold Member Since 2016
Audited Supplier
Shandong Wantong Hydraulic Co., Ltd.

Seamless Steel Tube, Cold-Drawn Tube, Finish Rolling Tube manufacturer / supplier in China, offering Cold-Drawn, Finish Rolling, Hone-Milled, Roller Bumishing Steel Tube, Professional Manufacturer Telescopic Hydraulic Cylinder for Truck/ Trailer From China, Telescopic Cylinder for North America Dump Trailer Hydraulic Cylinder and so on.

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Supplier Homepage Product Components and accessories Cold-Drawn, Finish Rolling, Hone-Milled, Roller Bumishing Steel Tube

Cold-Drawn, Finish Rolling, Hone-Milled, Roller Bumishing Steel Tube

Purchase Qty.:
1-19 20+
FOB Unit Price: US $200 US $100
Purchase Qty. (SET) FOB Unit Price
1-19 US $200
20+ US $100
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Port: Qingdao, China
Production Capacity: 200, 000 Sets
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: cold-drawn
  • MPa Classfication: High Pressure Piping
  • Standard: ASTM, API
  • Medium: 40cr,27simn,16mn,25mn,30crmnsia
  • Connection Type: Seamless
  • Processing: Cold-Drawn,Finish Rolling,Hone-Milled,Roller Bumis
  • Certificate: ISO/Ts16949, ABS, API, SGS
  • Transport Package: Pallets/Plywood
  • Origin: Shandong Rizhao
  • Temperature Classification: -30′c---300′c
  • Material: Stainless Steel
  • Diameter: 30---400mm
  • Cross-Section Shape: Round
  • Application: Hydraulic Cylinder
  • Working Temperature: -30~+80 Degree Centigrade
  • Trademark: ODM / OEM / WTJX
  • Specification: TS/16949
  • HS Code: 841221
Product Description
"Pursue zero defect of our products, and realize zero customers' complains"
Established in 1995, Shandong Wantong is now the leading manufacturer in China.
Our core business is focused upon hydraulic system design, R&D, manufacturer and sell, 
component repair and after sales service. 

Type & Description as follow:
Processing Diameter of (mm)Lengh(m)Linearity(mm)ToleranceRoughness of Inner(mm)
finish rolling30-80≤15m0.1-0.3/1000H8-H90.4-0.8
roller bumishing50-500≤3m0.1-0.3/1000H8-H90.2-0.4
 Deviation of ID
Size of IDH8H9H10H11Thickness deviation
30+0.038  0+0.052 0+0.084 0+0.13 0±5%-10%
>30-50+0.039  0+0.062 0+0.1 0+0.16 0
>50-80+0.046  0+0.074 0+0.12 0+0.19 0
>80-120+0.054  0+0.087 0+0.14 0+0.22 0
>120-180+0.063  0+0.1 0+0.16 0+0.25 0
>180-250+0.072  0+0.0115 0+0.185 0 +0.29 0
>250-315+0.081  0+0.13 0+0.21 0+0.32 0
>315-400+0.089  0+0.14 0+0.23 0+0.36 0

Company information:
Employee: 800
Output:400,000 sets/year
Manufactory Square: 180,000 M2
Internal Marketing Share:No.3 in China
Sales Volume:80,000,000 dollars/year
Export regions: Occident, the Southeast Asia, Australia, the Middle East, etc. 

Quality Control:
>All specification is designed by professional engineer.
>All material is high quality-Seal kits were purchased from USA, Japan, UK and Sweden.
>All material is processed by skilled workers and advanced CNC lathe
>All cylinders are 100% tested before package to ensure every cylinder is qualified for its purpose
>Package is air cushion film for each cylinder and steel case for all cylinders to ensure goods can arrive at customer safely
>One year warranty and long time track service is offered to solve any problems you meet after sale.

Contact Information: 
Tank Ren:+86-186 6336 7156

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