1) Material: 304(L),316(L), 321, 310, 430, 201,202 2) Certificates : ISO, TUVRheinland 3) Speciafication as per customer stainless steel channel Manufacturers supply directly! Stainless Steel Channel Bar with top quality , competitive price and best service .1) Product name: Stainless Steel Channel Bar2) Stardard: AISI,SUS,GB,JIS,ASTM,DIN etc.3) Grade: 200,300,400series, 201,202,301,304,304L,309, ...