- Crude Oil[1]
- Other Petrochemical Related Products[11]
- Other Fasteners[2]
- Other Hardware[1]
- Chemical Product Machinery Parts[3]
- Drilling Machine[4]
- Other Machine Tools Accessories[10]
- Machinery Parts Processing Services[8]
- Metal Processing Machinery Parts[9]
- Metallurgy Machinery Parts[1]
- Drilling Rig[4]
- Other Mining Machinery[2]
- Mining Machinery Parts[17]
- General Mechanical Components Design Services[1]
- Other Mechanical Parts[6]
- Pipe Fittings[20]
- Pneumatic Parts[1]
- Other Power Transmission Parts[2]
- Shaft Couplings[20]
- Universal Joints[3]
- Seals[1]
- Cast & Forged[1]
- Steel Round Bars[1]
- Tool Parts[1]
Yantai Yunhsheng Petroleum Machine Accessories Co., Ltd., founded in 1997, is a professional manufacturer of API 11B Sucker Rod Couplings, which covers Spray Metal Coupling[SM], Class T coupling[T], Change over Coupling[SUB OD], Full Size and Slim Hole, with the size of 5/8", 3/4", 7/8", 1", 1-1/8". All of them are excellent in Quality and reasonable in Price, and the production & inspection are being done fully in accordance with API 11B standard.
We got our API 11B Certificate for couplings on June, 1st, 2009 and the Certificate No. is 11B-0088....
We got our API 11B Certificate for couplings on June, 1st, 2009 and the Certificate No. is 11B-0088....
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