We are specialized in manufacturing Rotary Welding Turntable Positioner, Hard Chrome Plated Pipe Bar, chrome bar. We are supported by an experienced technical team, machining workers and strict inspection to offer various products with competitive prices and reliable quality. If vital, welcome to make contact with us by our web page or telephone consultation, we are going to be pleased to serve you. We would like to establish good business relationships as well as friendship with you in the near future.
1. Introduction
Hengtong Petrolic Machinery manufactures seamless steel tube for hydraulic cylinder, ready to hone tubes, honed tubes, skived and roller burnished tubes, chrome bar, piston rods, high-precision cold-drawn steel tubes and seamless stator tube, We are well-equipped with 300 ton, 150 ton, 65 ton, 20 ton of cold drawing machine,9 meters CNC boring machines, 20 sets honing machines , one set furnace and advanced quality testing equipment, which combine cold drawn, cold-rolled, heat treatment and traditional machining process.
2. Product Details
Application: Used for drilling, down hole motor stator tubes.
Size : ID from 70mm to 250mm
Length : Depends on customer requirement.
Material : 4140 / 42CrMo
Delivery Condition: Cold drawn / Q+T
ID and OD Tolerance : Depends on customer requirement.
Brand : Hengtong
3. Size List
72*90 | 75*95 | 76*98 | 86*105 | 86*110 | 95*120 |
95*127 | 106*136 | 127*161 | 127*165 | 134*172 | 139.7*177.8 |
140*172 | 147*185 | 158.75*209.55 | 159*197 | 165*203 | 172*210 |
172*228 | 200*245 | 235*288 | 203*120 | 172*103 | 197*120 |
165*106 |
4. Experience and Markets
Our factory has more than 20years working experiences on researching and selling. Products are well sailed all over the world, got many compliments from customers.
5. Our Advantages
1. We has two factories of 40000 square meters and totally 150 employees to promise the seamless stator tube in stock best quality control;
2. Our motivation is --- customers, satisfaction smile;
3. Our believing is --- pay attention to every detail;
4. Our wish is ----perfect co-operation.

We have to ensure that our Copper ASTM B170 UNS C10100 UNS C10200 UNS C11000 Seamless Tubes Pipes Tubings Pipings has unique competitive advantages in order to guarantee sales. We believe that in order to jointly build and maintain a good ecological environment for the industry, whether it is suppliers, industry peers or customers, we should complement each other's advantages and achieve mutual benefit. A set of scientific management system, exquisite production technology and excellent manufacturing equipment have established the high standard of product quality of our company, which makes us develop in continuous improvement.
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