... die-casted by 306 stainless steel with light structure Material and features:1, Light appliance’s shell is die-casted ... by 306 stainless steel withlight structure, the inner and outer is polished with beautiful appearance.2, The products ... the corrosion of strong acid, strongalkali, salt, ammonia, chlorine, and have function of water-proof, dust-proof,anticorrosion grade WF2, the protection ...