1. National patent,ISO9001/ISO14001. 2. Assembly type,no welding,long ... tank plates:500*500mm, 1000*500mm, 1000*1000mm. Thickness: from 1.0mm to 3.0mmMaterial: Stainless steel 201,304,316L,444... to ... Spare parts:silicon tubes&s/s water tank plates: Features:1-New design patent technology:Water tanks assembled with screws and ...