... ; BTO; OEM service; ISO 9001:2008. 5kg co2 fire extinguisher with portable typeour main business scopes are as follows:A.Fire extinguisher1 ... .Portable dry powder fire extinguisher 1kg,2kg,3kg,4kg,5kg,8kg2. ... dry powder fire extinguisher 4kg,6kg,8kg4.Portable CO2 fire extinguisher 2kg,3kg,5kg,7kg5.Portable fire extinguisher water-based type 3kg ...