Qing Dao Sun Joy Plastic Machinery CO.,LTD

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1. seamless steel pipe

Product range: seamless steel pipe outside diameter is from 8mm to 114.3mm, and wall thickness is from 2mm to 16mm

3.Certificate: ISO 9001, API 5CT-0816, API 5L-0602, High Pressure Equipment License.

To ensure quality, we adopt advanced ...

2. bolier tube

it is used as pipeline of bolier industry.
germany intrudry standard:DIN 17175
To ensure quality, we adopt advanced manufacture equipment and techniques. We have four sets of piercing, sixteen sets of cold-drawn machine, two sets of heat treatment ...

3. casing

this pipe is used as a wall in a oil well .
To ensure quality, we adopt advanced manufacture equipment and techniques. We have four sets of piercing, sixteen sets of cold-drawn machine, two sets of heat treatment furnace, five sets of straightening ...

4. tubing

To ensure quality, we adopt advanced manufacture equipment and techniques. We have four sets of piercing, sixteen sets of cold-drawn machine, two sets of heat treatment furnace, five sets of straightening machine, two sets of hydraulic upsetting ...

5. seamless steel pipe