"Dalian News" February 24, 2013 broadcast:
Large diameter steel pipe in the petrochemical industry and urban construction and other fields have a wide range of applications, Dalian three high group with original steel molding process, constantly breaking world steel production limits in the international market among the industry's first phalanx.
Recently, the Dalian three high group defeated Germany, the United States, Japan and other countries companies, successful companies in Indonesia a pipe production line, has won $ 20 million orders, manufacturing a limiting diameter 508 mm, wall thickness of 4 mm steel pipe production line.
Dalian three high high Guohong Group General Manager: "a total of eight companies, technically we eliminated 6, this time not from the bid price to win, but technically it beat each other."
Dalian three high group designed a director Lang Siu Kui: "In such a large diameter and wall thickness so thin on the pipe to ensure roundness and straightness in line with international standards, this is the world we are the only way to do it. "
Since the 1960s, this widely used steel pipe manufacturing technology has been in Europe and America and other developed countries to control. In recent years, Dalian three high Group, through independent research and development and technological innovation, own steel molding, manufacturing the world's first pieces of 711 mm diameter pipe production line equipment, steel equipment manufacturing industry continue to create a world record. Currently in this area, three high Group had 82 patents and technical protection extended to the United States, Germany, Japan and other developed countries, to become the industry leader.
Source: Dalian TV http://www.dltv.cn/xinwen/2013-02/24/cms226360article.shtml on February 25, 2013