2011年9月21—23日,第13届中国国际气体技术、设备与应用展览会在北京举行,同期还举办了第三届中国国际天然气汽车、发动机、加气站及氢能技术、设备与应用展览会。本届展会展出面积达12000 m2,参展的中外企业达200多家。展会期间吸引的中外行业观众达到5000多人次,各家参展企业带来了他们精心准备的新产品和新技 From September 21 to September 23, 2011, the 13th China International Exhibition on Gas Technology, Equipment and Applications was held in Beijing. Meanwhile, the 3rd China International Natural Gas Vehicle, Engine, Gas Filling Station and Hydrogen Energy Technology, Equipment and Applications Applied exhibitions. The exhibition exhibition area of ​​12000 m2, exhibitors of more than 200 Chinese and foreign enterprises. During the exhibition attracted more than 5,000 Chinese and foreign industry visitors, exhibitors brought their well-prepared new products and new technologies