China manufacturer ! api 11b adapter pipe coupling

Specifications

api 11b adapter pipe coupling

 Detailed Product Description

• We our company is a petroleum machinery co., ltd. We specialized in couplings and hydraulic tongs. The couplings include different types of couplings, such as sucker rod coupling, tubing and casing coupling, and so on. We can manufacture it per the clients’ requirements, can do full size slim hole coupling, and reducing couplings. And we has been certified through ISO9001:2008 and gained the National Industrial Product Lisence. Please look at the following infos.

RFQ for your information

1. Q : are you a factory or a trade company?

A : Yes,we are a specilized petroleum machinery products factory for 12 years

2. Q:Where are your factory located in?how can i reach it?

A: our factory is located in PuYang City,HeNan province,you can take the High-speed

rail from Beijing or Shanghai , or by plane to Zhengzhou city.

3. Q: do you have API 5CT certification or other certification?

A: we have API 5CT &API 11b certification ,and ISO 9001 quality control certification

4.Q:for the quality control,how do your factroy control?

A: Firstly,all our seamless tubes,such as J55,K55,N80,L80,P110 are from china biggest

seamless factory,so Tensile Strength & Yield Strength can be assured

A: Secondly,each procedure strictly controlled,and the threads are conntrolled by lathe

and import molding cutter.