In 2023: 1. Tangshan Guanzhong 76 production line; 900 longitudinal cutting set; 2. One set of Hebei Huayang longitudinal cutting line; 3. Tangshan Jinghua Pipe Manufacturing Co., Ltd. has 4 cold cutting saws; 4. Tangshan Wufang Industrial Co., Ltd. has one 50 cold cutting saw; 5. Handan Youfa Steel Pipe Co., Ltd. has one 32 cold cutting saw; Upgrade 4 cold cutting saws; 6. One Chengdu Pengzhou Jinghua 32 cold cutting saw; 7. 1 set of Rizhao Jinghua automatic palletizing machine; 8. Tangshan Youfa New Building Equipment Co., Ltd. has 5 straightening machines; 9. Shanxi Zhengda Pipe Manufacturing Co., Ltd. Kaiping Line 1 unit; 10. Handan Zhengda Pipe Manufacturing Co., Ltd. has 5 straightening machines.
In 2022: 1. Jilin Jinghua Pipe Manufacturing Co., Ltd. has 4 sets of Φ 32 and Φ 50 cold cutting saws and 1 set of Φ 76 cold cutting saw; 2. Tangshan Jinghua Pipe Manufacturing Co., Ltd. 1 set of Φ 76 cold cutting saw; 3. Hengshui Jinghua Pipe Manufacturing Co., Ltd. 1 set of Φ 32 cold cutting saw; 4. Tangshan Youfa Construction Equipment Co., Ltd. has one set of 40 cubic meters and one set of 60 cubic meters respectively; 5. Zhejiang Baihui Electric Co., Ltd. has one set of 140-180 production line. 6. 3 sets of Jiangsu Youfa palletizing machines; 7. Jinan Kede Intelligent Technology Co., Ltd. has one set of palletizing machine. 8. Shanxi Zhengda Pipe Manufacturing Co., Ltd. has 1 set of 600 longitudinal cutting line and 3 sets of double cone unwinding machines.
In 2021: 1. 5 sets of Jiangsu Youfa palletizing machines and 8 sets of automatic cutting and welding machines; 2. Tangshan Youfa New Building Equipment Co., Ltd. has 11 sets of automatic cutting and welding machines; 11 sets of main machines and 5 sets of backup machines for the Φ 76 straightening machine; 3. Tianjin Youfa First Branch has 2 sets of main and backup machines for the Φ 89 straightening machine; 4. Two sets of Φ 76 production lines at Tianjin Youfa Second Branch; 5. Tianjin Pengcheng Yongwang Welded Pipe Co., Ltd. has 2 sets of Φ 60 production lines and 100F2 sets; 6. Hebei Jingye Precision Pipe Co., Ltd. 1 set of Φ 89 straightening machine; 1 set of pipe opening machine; 7. Jilin Jinghua Pipe Manufacturing Co., Ltd. 1 set of Φ 32 flying saw; One set of Φ 76 uncoiler; One set of Φ 50 straightening machine; 8. Tianjin Youfa Dezhong Steel Pipe Co., Ltd. has one set of automatic cutting and welding machines; 9. Tangshan Zhengyuan Pipe Industry Co., Ltd. 1 set of Φ 50 straightening machine; One set of Φ 89 straightening machine; 10. Tangshan small pipe factory orders 100 sets of Φ 89 straightening machines. 11. Tianjin Youfa Second Branch, Shaanxi Youfa Steel Pipe Co., Ltd., Tangshan Zhengyuan Pipe Industry Co., Ltd., Jilin Jinghua Pipe Manufacturing Co., Ltd., and Jinan Jinghua Pipe Industry Co., Ltd. have long-term cooperation in rolling mills.