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Brief Introduction of Development of Complete Equipment and Steel Mould for Prestressed Steel Tube Concrete Pipe (PCCP) Production Line
Prestressed Concrete Cylinder Pipe (PCCP) is the fastest-growing high-quality pressure water delivery and drainage pipeline in China since the 1990s. Compared with ordinary pressure pipelines, PCCP has excellent performances of high external load resistance, high impermeability and high joint sealing, and PCCP is fast to install and convenient to construct. It is widely used in various water transfer, drainage and other pipeline projects at home and abroad At present, the number of PCCP pipelines used in China can reach thousands of kilometers per year. The maximum internal pressure of PCCP can reach 2.5MPa, the maximum soil depth can reach 20 meters, and the designed service life can reach 50 years. PCCP is particularly suitable for large-caliber pipeline projects. The largest pipe diameter used in China is up to 4000mm (the largest pipe diameter used in the United States is 6400mm), and the weight of a single pipe is 60-70 tons.
At the same time as China's rapid development of PCCP, PCCP special pipe equipment has also been rapidly developed. Our company closely follows the pace of the PCCP market and actively develops PCCP special pipe equipment. It is the earliest domestic manufacturer of PCCP special pipe equipment. One of the manufacturers, as early as 1998, successfully developed some PCCP special pipe-making equipment, and provided Shenzhen Sun Pipeline Engineering Co., Ltd. and Jiangsu Jingjiang Pipeline Engineering Company with PCCP equipment and steel molds of φ1800 and φ2400 successively. Circular machine, edge rolling machine, coiling machine, flat tailoring process tube making equipment, horizontal wire winding machine, horizontal spraying machine and other complete equipment; developed and produced vertical differential wire winding machine and vertical roller in 2002 Large-scale pipe-making equipment such as a jet machine; in 2006, provided a large number of high-quality equipment for the largest PCCP (diameter 4000mm) project in the South-to-North Water Diversion Project; R & D and production of large diameter steel cylinder spiral coil welding machine; in 2013, in the northwestern Liaoning water supply project, our company provided a large number of PCCP for Guotong and Longquan shares. Host equipment and steel mold. So far, the various tube making equipments produced by our company have obtained a number of patents, advanced product design concepts, and product performance at the domestic advanced level; for many years, we have provided a large number of PCCP complete sets of equipment and Steel molds; the products are sold well in China and exported to countries such as Egypt, Vietnam, India, Indonesia, Canada and Taiwan.
Main users of PCCP equipment:
1. Xinjiang Guotong Pipeline Co., Ltd.
  (Liaoning Branch, Tianjin Branch, Sichuan Branch, Zhongshan Branch, Yili Branch, Harbin Company, Bohai Branch, Xinjiang Branch)
2. Shandong Longquan Pipeline Engineering Co., Ltd.
  (Liaoning Branch, Henan Branch, Hebei Branch, Changzhou Branch, Liaoyang Branch, Boshan Branch, Anhui Branch, Jilin Branch, Hubei Branch, Xinjiang Branch)
3. Ningxia Qinglong Pipe Industry Co., Ltd.
  (Anyang Branch, Qingtongxia Branch, Tianjin Branch, Inner Mongolia Branch, Fukang Branch, Hubei Branch, Xinjiang Branch, Xinke Branch)
4. Beijing Hanjian Heshan Pipe Industry Co., Ltd.
  (Liaoning Branch, Shuozhou Branch, Yexian Branch, Anhui Branch, Jilin Branch, Hubei Branch)
5. Shandong Electric Pipeline Engineering Company
  (Liaoning Branch, Liaocheng Branch, Longkou Branch, Guangdong Branch, Jilin Branch)
6. China Water Sixth Bureau Huazhe Kaiyuan Pipe Industry Co., Ltd.
7. Henghua (Zhangwu) Pipe Industry Co., Ltd. of the 13th Hydropower Bureau
8. Wuxi Huayi Pipeline Co., Ltd.
9. Shenzhen Zhuocheng Pipeline Co., Ltd.
10. Anhui Julong Pipe Industry Co., Ltd.
11. Henan Julong Pipe Industry Co., Ltd.
12. Shandong Yuwang Pipe Industry Co., Ltd.
    Shandong Yuwang Pipe Industry Hainan Branch
13. Tianjin Changtian Pipeline Co., Ltd.
   (Xinxiang Branch, Shexian Branch)
14. Hebei Construction Group Qianqiu Pipe Industry Co., Ltd.
15. Jilin Power Pipeline Engineering Corporation
16. Tianjin Zebao Cement Products Co., Ltd.
17. Nanning Hongji Cement Products Co., Ltd.
18. Kunming Advance Control System Co., Ltd.
19. Jinan Shanshui Pipeline Co., Ltd.
    Zhoukou Shanshui Pipeline Co., Ltd.
20. Zhejiang Yuanbang Pipeline Co., Ltd.
21. Taiwan Guotong International Co., Ltd.
22. Xinjiang Dahualong Pipeline Co., Ltd.
23. Qingdao Rongyi New Building Material Co., Ltd.
24. Tianyuan Construction Group Co., Ltd.
25. Hengrun Group Co., Ltd.
26. Shandong Water Pipe Co., Ltd.
27. Qingdao Zhongyu Pipe Industry Co., Ltd.
28. Yanggu Tianma New Building Material Co., Ltd.
29. Yunnan Chuxiong Hengji Pipeline Industry Co., Ltd.
30. Nanyang Yulong Pipeline Co., Ltd.
31. Shenyang Huafei Pipe Industry Co., Ltd.
32. Zhuhai Zhujin Anti-corrosion Engineering Co., Ltd.
33. Zaoyang Xinda Tongxing Building Material Products Co., Ltd.
34. Zhijiang Exi Cement Products Co., Ltd.
35. Zhuzhou Yuhong Pipeline Co., Ltd.
36. Rizhao Bihaili Water Conservancy Pipeline Engineering Co., Ltd.
37. Changchun City Construction and Pipe Industry Co., Ltd.
38. Jilin Qingxu Machinery Equipment Co., Ltd.
39. Hebei Xingshui Pipe Industry Co., Ltd.
40. Yunnan Shengbolong Pipe Industry Co., Ltd.
41. Ningxia Ningdong Cement Products Co., Ltd.
42. Fujian Zhengtong Pipeline Co., Ltd.
43. Ningbo Yonggang Industrial Co., Ltd.
44. Baotou Jianlong Pipeline Co., Ltd.
45. Sichuan Good Luck Building Materials Co., Ltd.
46. ​​Xinjiang Ligao Deyu New Technology Materials Co., Ltd.
             (names not listed in order)
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