In order to ensure that each Seamless Honing Tube, Internal Chrome Plated Honed Tube, 100T Movable Rotators exceeds customer needs, we use a rigorous quality management system to control every link. The continuous improvement of our high-quality, professional and technical team lays the foundation for supporting our strategic planning. Enterprise mission is the fundamental reason for our existence and the responsibility that our company must undertake since its establishment.
1. Introduction
HENGTONG PETROLIC MACHINERY manufactures 4140 Alloy Steel Tubes and transmission roller steel pipes more than 20 Years.The 4140 Alloy Steel Tubes is much thick hot rolled alloy steel tubes, which goes through boring and milling to make sure uniform thickness.
2. Product Details
Application: Used for drilling, downhole motor, mud motor
Size : ID from 70mm to 300mm
Length : Depends on customer requirement.
Material : 4140 / 42CrMo
Delivery Condition: hot rolled + boring and milling
ID and OD Tolerance : Depends on customer requirement.
Brand : Hengtong
3.Size List
4.Our services
1). Where to buy our products for one year warranty and life long maintenance.
2). 24-hour telephone service.
3). A large stock of components and parts, easily-worn parts.
With this motto in mind, we've got become among essentially the most technologically innovative, cost-efficient, and price-competitive manufacturers for ASTM A519 AISI 4130 4140 Chromoly Alloy Steel Tube. We are committed to establishing a wide and convenient distribution network. On the one hand, we always put product innovation at the top of business operations, and on the other hand, we continue to learn from advanced management concepts and methods at home and abroad.
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