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Changbao Taobang provides various API high-quality OCTG couplings. We have advanced equipment, high production capacity, high product precision, high consistency, and economical benefits. We offer high quality couplings to meet your oil and gas industry needs.
Our professional R&D team can produce and process couplings of various sizes and steel grades to meet your needs.
You can rest assured to cooperate with Changbao Taobang. Through our high-quality coupling products, we can help you create a better corporate reputation.
We offer couplings in the following steel grades: J55, K55, N80, L80-1, L80-13Cr, C90, T95, C110, P110 and etc.
| Casing Size | Coupling Size OD | Type | Length | Weight Per PC. | PCS Per Pallet | Pallet Weight |
| 4 1/2" | 5.25" | BTC | 8.87" | 6.89 KG | 256 | 1806.880 |
| 4 1/2" | 5.25" | STC | 6.25" | 5.24 KG | 320 | 1691.800 |
| 4 1/2" | 5.25" | LTC | 7" | 5.96 KG | 320 | 1927.200 |
| 5" | 5.80" | BTC | 9.13" | 8.38 KG | 245 | 2071.100 |
| 5" | 5.80" | STC | 6.34" | 6.43 KG | 294 | 1905.420 |
| 5" | 5.80" | LTC | 7.75" | 7.86 KG | 245 | 1943.700 |
| 5 1/2" | 6.30" | BTC | 9.25" | 9.30 KG | 216 | 2023.800 |
| 5 1/2" | 6.30" | STC | 6.75" | 7.34 KG | 252 | 1864.680 |
| 5 1/2" | 6.30" | LTC | 8" | 8.92 KG | 245 | 2220.000 |
| 6 5/8" | 7.39" | BTC | 9.63" | 11.01 KG | 150 | 1666.500 |
| 6 5/8" | 7.39" | STC | 7.25" | 9.12 KG | 175 | 1611.000 |
| 6 5/8" | 7.39" | LTC | 8.75" | 11.34 KG | 150 | 1716.000 |
| 7" | 7.88" | BTC | 10" | 13.98 KG | 150 | 2160.000 |
| 7" | 7.88" | STC | 7.25" | 10.88 KG | 175 | 1919.000 |
| 7" | 7.88" | LTC | 9" | 13.92 KG | 150 | 2100.000 |
| 8 5/8" | 9.63" | BTC | 10.63" | 20.86 KG | 80 | 1683.800 |
| 8 5/8" | 9.63" | STC | 7.75" | 15.62 KG | 96 | 1514.520 |
| 8 5/8" | 9.63" | LTC | 10" | 21.67 KG | 96 | 2095.320 |
| 9 5/8" | 10.63" | BTC | 10.63" | 23.16 KG | 80 | 1872.800 |
| 9 5/8" | 10.63" | STC | 7.75" | 17.95 KG | 96 | 1743.200 |
| 9 5/8" | 10.63" | LTC | 10.5" | 25.45 KG | 80 | 2056.000 |
| 10 3/4" | 11.75" | BTC | 10.63" | 25.74 KG | 60 | 1564.400 |
| 10 3/4" | 11.75" | STC | 8" | 20.58 KG | 54 | 1131.320 |
| 10 3/4" | 11.75" | LTC | - | - | - | - |
| 11 3/4" | 12.75" | BTC | 10.63" | 28.03 KG | 45 | 1281.350 |
| 11 3/4" | 12.75" | STC | 8" | 22.43 KG | 45 | 1029.350 |
| 11 3/4" | 12.75" | LTC | - | - | - | - |
| 13 3/8" | 14.37" | BTC | 10.63" | 31.77 KG | 45 | 1449.650 |
| 13 3/8" | 14.37" | STC | 8" | 25.42 KG | 45 | 1174.700 |
| 13 3/8" | 14.37" | LTC | - | - | - | - |
High Quality Steel: All of our couplings are made from high quality API couplings raw material.
Tighter Process Control: In every production process, we have strict quality control standards to maintain high quality of our products.
Attentive service: We prodvide strong and firm packing to make sure all the products are in good condition within a short delivery time.
Automated Line: We have an intelligent coupling production workshop, the processing is more intelligent, and the product accuracy and consistency are further improved.
Jiangsu Changbao Taobang Petroleum Pipe Co., Ltd, established in year of 2004 is specializing in the production of couplings to the manufactures of oil country tubular goods (OCTG). Our Fatcory covers 18,000 ㎡, building area 9,800 ㎡. Our company is equipped with precision CNC lathe 100 sets, which including Japan MORI SEIKI Lathe 50 sets, Spain DANOBAT Lathe 2 sets, we carry a full size range of 1.315” to 20” in J55, K55, N80, L80-1, L80-13Cr, C90, T95, C110, P110, CB140V and etc grade. OCTG coupling annual output is above 4 million pcs.
Jiangsu Changbao Taobang Petroleum Pipe Co., Ltd is specializing in high precision machine of the most demanding tolerances in both quality and delivery. We are the sole supplier of Jiangsu Changbao Steel Tube Co., Ltd in domestic market, also reliable supplier of Metal One, Sumitomo Corporation, PDO, KOC,and ITECO.
We gain many of the necessary certificates & qualification, such asAPI 5CT, ISO14001, ISO 45001, API Q1, ISO 9001 etc., Our products can meet your needs.
