Vacuum cleaner 1.Stainless steel material. 2.Dluminium alloy. 3.GMP standard. Vacuum cleanerApplication: ... , foods, chemical industry and etc, its main material adopted the stainless steel, so it is special applicable to corrlsion powder dust ... if capsule filling machine.Characteristics: This machine is made of stainless steal and dluminium alloy. With good corroded-proof. Which does not ...