Jinan Changlin Air-bag Container Factory is specialized in Producing marine air-bags and High-pressur Floating pneumatic rubber fenders.The standards of Ship building industry concerned marine air-bag and High-pressure Floating pneumatic rubber fenders were formulated by Jinan Changlin Air-bag Container Factory.The local standard in Sandong:DB37/T998-2008 《Technological Requiremenets for Ship Upgranding or Launching Relying on Air-bags》and the National standard GB/T 21482-2008《Ship and Marine Technology- pneumatic rubber fenders 》are drawn up and worked out by Jinan Changlin Air-bag Container Factory in 2008.The Changlin Technology and Reserch Centre of air-bag for ship as well as Marine pneumatic rubber fenders in Shandong has been built in this factory in 2008.