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| This product is the palm of roller-cone used for drilling platform. As one of the three enterprises that have passed the API 20C certification in China at the present stage, the Company has the capable of producing any die-forging valve body with the weight between 5 and 560kg. |
| Main parameters |
| Product name | Valve body | Forging material | 4130 |
| Scopeof application | Valve for petroleum drilling | Forging weight | 199kg |
