Industrial Lubricants, Automotive Lubricating Oil manufacturer / supplier in China, offering Gun Copper Remover Removes Gunpowder Residue and Copper Residue Left in The Gun Barrel, Avic Hangte 7415-1 (No. 1) Gun Firing Mechanism High Temperature Grease, 7415-2 Gun Firing Mechanism High Temperature Grease Synthetic Grease and so on.