... 1 and Zone 23)Available lamp:-Metal halide lamp (HIE)-High pressure mercury lamp (HME)-High pressure sodium lamp (HSE)-Self ballast high pressure ... Test, Anti-Corrosion Test, and Adhesive Force Test of Plastic Coating, etc. High and Low Temperature Test, Damp Heat ... Unit, Electric Appliance Unit, Piping Unit, Fan Unit, and Plastic Unit, forming an all-in-one explosion-proof apparatus manufacturing ...