waterproof electrical outlet box 1.we are manufacturer 2.Suitable for electronic products 3. ... ,punching,bending,deburring,stamping,welding,pretreatment,assembling,etc 2materialstainless steel, iron ( SPCC, SECC, SPTE, tinplate), aluminum alloy, red copper, brass are ... to visit our company. our products show: s waterproof metal outlet box