... 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 can ... withstand the corrosion of strong acid, strongalkali, salt, ammonia, chlorine, and have function of water-proof, dust-proof,anticorrosion grade WF2 ...