Maintenance equipment:manufacture supply and demand information in china.
Maintenance directory contains 34 sub-categories, 2 equipment offers. You can click the category name look for the list of supply and demand offers, or you can search by keywords to find the demander, supplier about Maintenance products you are interested.
The Oil Well-repair Machine is a basic equipment in the process of developing for oil and natural gas, including many kinds of types of XJ110、XJ135、 XJ160、 XJ180 and XJ225.The oil Well-repair Machine is a self-moving carrier traveled ...
description: Product Straightness ≤ 0.5 mm
Specification Range: φ30-170 × 3-17
Material: 20 # 45 # 40Cr 35CrMo 37Mn5 N80, etc.
Finish ≤ 3.2
Customized precision pipes made of other materials are also available.