Our company boasts the biggest sized production facilities in the oriental nations. It also has manufacturing skills acquired thanks to ample work experience. As a result of this, any customers' requirements about Expansion Joint are easily satisfied. Hydraulic Forming essential for maintaining high quality among the methods of forming Bellows depends on the size of Bellows whose production is possible according to the capacity of the press in hand, and one thousand ton press only our company possess among domestic Expansion Joint Makers makes the big size up to 2,700mm dla available for Hydraulic Forming, and super sized Bellows up to 4,700mm dla are shaped by Roll forming And non-welding precise Bellows needed for precise apparatus were commercialized by our own technology and equipment manufacturing, and have been supplied so far.

Our company has been supplying Piping Assemblies (used for main facilities Nuclear Power Plant), such as Cross-over piping made by the company, and Expansion Joint to Heavy Industrial companies inside and outside the country. And in case of Flange & flue type Expansion Joint, We have already provided it to a nuclear power facilities. From principal material suppliers domestic and overseas, our company is procuring special alloy steels promptly from 300,400 series of stainless steel and alloy 200, 400, 600, 800, 800h, 825 to Hastelloy c-276, c272. The most indispensable welding work to keep Expansion Joint highly qualified is the know-how to measure up to any inspection criteria, which is considered as the best pre-qualified welder, automatic welding facilities, and various & skillful welding technology.