High Class Mirror Polish stainless steel slotted square tube from Foshan,China ... project STANDARD: ASTM A554/268/A269/A249/A270/A312-High Class Mirror Polish stainless steel slotted square tube from Foshan,ChinaGrade ... City Guangdong Province,China.MOB:86-015816902956 (Ms Melody) High Class Mirror Polish stainless steel slotted square tube from Foshan,China