fire extinguisher powder ,fire fighting abc /bc powder ,fire fighitng equipment ,fire extinguisher, dry chemaicl powder ,powder ABC POWDER (NH4)2H2PO4Hydrogen silion oil SiO2>nH2oInert fillerHangzhou Tianshun Fire-fighting equipment Co.,Ltd is an enterprise integrated with design ,production and marketing (independet import-export)of all kinds of fire fighting appliances.The company has for more ...