The production standards hove involved gb/t5099 gb/t11640 iso11439 dot-cffc en and en1975 Iso9809. Qiqihaer hua-an special high pressure vessel co., ltd had iso9001 certification and relevant products have certificated by france bv and gernany dekra. The company's product have supplied for many countries in asia and europe. Chief product: high pressure seamless steel cylinder Vehicles used cng steel cylinder Chief type: ª)140 ª)159 ª)219 ª)204 ª)232
