20 0 3年上半年 ,杭氧、开空、川空国内三大空分制造商在国内市场共签下 5 3套大中型成套空分设备。从空分等级看 :“一万”空分以上 2 2套 ,占 4 1 5 % ;“六千”空分至“一万”空分 17套 ,占 32 % ;“六千”以下空分 14套 ,占 2 6 4 %。从空分用途看 :钢铁行业用 4 5套 ,占 In the first half of 2003, a total of 53 sets of large and medium-sized sets of air separation plants were signed in the domestic market by Hangsu Oxygen, Airbus and Chuankong. From the air separation level to see: “10,000” air space above 22 sets, accounting for 41.5%; “6,000” space to “10,000” space 17 sets, accounting for 32%; “6000” the following space 14 sets, accounting for 26.4%. Use from the air separation point of view: 45 sets of steel industry, accounting