1.Demonstrates high quality 2.With price-to-quality ratio 3.Long life span 4.No-radiation ... Standard: AISI,SUS,GB,JIS,ASTM,DIN etc 3. Grade: 201,202,301,302,303,304,304L,316,316L4. ... heat exchanger, machiner and hardware fields and medical equipment, fertilizer, etc. Cold-drawn square steel8*818*1828*2840*4010 ... our facilitiesour certificates our family contact us high quality stainless steel round bar