Company profile
Puyang Bao Litong Petroleum Machinery Co., Ltd. was founded in 2004 and located in Puyang City which is the birthplace of Dragon.
The company mainly speicialized in sucker rod coupling, tubing and casing couplings, hydraulic tubing power tongs, sucker rod tongs and hydraulic power tongs accessories, sucker rod hooks, and so on.
The Company has obtained The National Industrial Production License, ISO9001:2008QMS Certificate, API 5CT & 5B Certificate, indepent import and export rights.
Our business philosophy is “Quality as the basis”. We adhere to “the quality first, the Credibility Supremacy”. We’ll control the quality of products strictly, and constantly improve the production process. Sincerely looking forward to cooperate with all the friends from the world.
Detailed product description
This product is one type of couplings. It is used to connect tubing pipes. The placement is male which is easy and flexible to operate. We can do different types and specifications according to the clients requirement.
The following is related infos.
1.Material:N80 seamless steel
2.Features: It realized to connect the two different specifications of tubing pipes. The placement is male; well mechanical properties,good sealing and connectivity.
3.Adantages: After hot rolling, we can sure the coupling joint has well-proportioned and consistent metallographic structure. Good sealing and loading capacity.
4.Standard Reference:API 5CT
Models | Features |
(I) 2-3/8"EU*2-7/8"EU | (I) External thread (II) Reducing coupling (III) Having Good Sealing Property |
(II) 2-7/8"NU*3-1/2"NU | |
(III) 3-1/2"NU*3-1/2"EU | |
(IV) 2-3/8"NU*2-3/8"EU | |
(V) 2-7/8"NU*2-7/8"EU | |
(VI) 2-3/8"EU*2-7/8"NU | |
(VII)2-7/8"EUE*2-7/8"EUE | |
Service: | |
(I) Sale service: we offer all-around service | |
(II) Packing: carton, wooden case, wooden pallet or per the custome's requirements | |




