... die-casted by 306 stainless steel with light structure Material and features:1, Light appliance’s shell is die-casted by ... corrosion of strong acid, strongalkali, salt, ammonia, chlorine, and have function of water-proof, dust-proof,anticorrosion grade WF2 ... adopt stainless steel. the seals adopt siliconrubber, which can withstand oil, acid, high temperature.4, Installment methods are versatile, the ...