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Our History

The history of KunYuan is that of the progressive merger of many regional, national and then international companies in the metallurgy sector, leading to the creation of today's Group, the world leader for premium tubular solutions primarily serving the energy industry.

Our company is a professional supplier of OCTG. Our goal is to supply the high value-added and high quality products to our customers worldwide. KunYuan offers its customers innovative global solutions to meet the growing energy challenges of the 21st century. Thus enable us to serve better.


Our Factory



Our Product

KunYuan Products includes the following:

1, OCTG Casing

2, OCTG Tubing

3, Premium Connection


5,Pup Joint


7, Thread Protector

8, Stabbing Guide

9, Mechanical Pipe material

10, Special material casing and tubing

All of above products are produced and processed according to<API SPEC 5CT&5B>, with materials of steel grade including J55, K55, N80, N80-1, N80-Q, L80, P110 and so on. The tubing couplings have two types, namely NU and EU. Casing coupling include BC, LTC and STC. By numerically controlled lathe and import molding cutter, the processing of thread can be finished in one time, which ensures its commonality and interchangeability. We have complete testing abilities, adopting a whole set of single testing apparatus of thread, including tape, pitch, tooth depth and profile. Our products have already passed the identification of the Quality Testing.

Product Application


1. Can be to connect in oil well drilling machine ;

2. Can be used in water well drilling machine;

3. Can be used in geological drilling machine;

Can be used in mining drilling machine ect. 

Our Certificate

We always feel that all success of our company is directly related to the quality of the products we offer. They meet the highest quality requirements as stipulated in ISO9001, API-5CT, API-5DP, API-5L, CNPC SUPPLIER, and Quality Assurance Program.

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Production Equipment

We have advance production Equipment which can provide high quality products. We can supply the high value-added and high quality products to our customers worldwide.


Production Market

We have customers from both domestic market and oversea market. KunYuan Sales managers can speak fluent English for good communication. Our main sales market:

Southeast Asia, Mid East, South America, Eastern Asia, Africa and so on. 

Our service

Besides our existing products, KunYuan also can provide sample to our customers if you needed. We control the product quality critically for every step during the manufacturing from custom. We offer technical support that is second to none. In addition , our company have a gold service, regularly send you the situation of steel market about price movements in China, and you can control it at any time. When to place the order and when to see, let your every purchase exactly right. At the same time, if you have other procurement in China, as long as it is within the industry, we can provide you with relevant information of the factory, including industrial and commercial registration information, business information, technical strength, the industry reputation, and so on, we can also provide you with the goods inspection or supervision and so on. We hope we can do more for you. After Sale Service 

1. Service satisfaction survey
2. Production quality issues verification.
3. Oversea on site quality check. (If needed)
4. Free exchange the rejects, or refund payment according to the cost