cetification:ANAB,UKAS,etc. air storage tank monthly capacity:3000units WP: -0.1 ~ 35 ... Detail30 days Storage Tank Specification 1) Material:stainless steel, austenitic stainless steel, 16MnR, 20R, 304, 321, 316L cladding plates, carbon steel, etc, with insulating material ... arc welder and auto polishing machines and cooperating with international famous finished equipment making company.More detailed ...