石油套管專用直焊機，最大石油管13米可焊接繞絲管長度9米，國內僅有設備研發成功。如有特殊要求可增加自檢配置，可記錄，可備案，可和電腦聯接打出數據，為石油套管專用設備。本設備生產的產品強度高，成本低，使用時間長，最終用戶不僅降低了成本，還提高了效率，節省了換管的時間，人力和費用，是現代石油生產的必備設備。 

Special direct welding machine for oil casing
Special direct welding machine for oil casing, the maximum pipe length of 13 meters can be welded around the wire pipe of 9 meters, the only equipment developed successfully in China.If you have special requirements, you can increase the self-check configuration, can record, can be put on record, can connect with the computer to hit the data, for the oil casing special equipment.The product produced by this equipment has high strength, low cost and long service time. The end user not only reduces the cost, but also improves the efficiency and saves the time, manpower and cost of changing the pipe. It is the necessary equipment for modern oil production.