The KDON-18000/18000 air mark provided by our company for xinjiang fengtai iron and steel co., LTD was successfully driven in 2014, and the product indexes all reached or exceeded the design value.

The KDON (Ar) -15000/1500/500 empty zone argon provided by our company for the 2nd stage oxygen production of xuzhou baofeng special steel casting co., LTD was successfully driven in 2011, and the product indexes all reached or exceeded the design value, especially the stable production of product argon.

Our company provided kdon-7500 /7500 air zone argon for the first stage oxygen production of xuzhou baofeng special steel casting co., LTD.

The KDON-8500/8500 air mark provided by our company for sichuan dazhou canal river casting pipe co., LTD was successfully driven in 2009, and the product indexes reached or exceeded the design value.

The KDON (Ar) -6500/650/180 air zone argon provided by our company to changge jinhui zhongli gas co., ltd. in the second phase of oxygen production was successfully driven in 2017, and the product indicators all reached or exceeded the design value, especially the stable production of product argon.

The KDON (Ar) -6500/650/180 air zone argon provided by our company for the first stage oxygen production of henan qingshan jinhui stainless steel industry co., LTD was successfully driven in 2010, and the product indexes all reached or exceeded the design value, especially the stable production of product argon.