... against dust,mist,paint,acid-gas,organic-gas,Hg vapor,ammonia,sulfureted hydrogen,etc.3.CE approval gas mask chemical respirator Verified Information This ... Acceptable Packing machine BT5439 1 5.0 Acceptable Puncher 16T 2 6.0 Acceptable Sawing machine GY4028 1 3.0 ... HR-50A 1 4.0 Acceptable Production Flow: 1.Injecting 2.Cutting 3.Assembling 4.Packing Certification: Certified Picture Certification Name ...