Round stainless steel pipes and tubesfor sanitation, food industry and pharmacy. Being a professional manufacturer of welded stainless steel pipes and tubes, we ... Polishing, Annealing, Inner Bead Removed, Inner Polishing. 3) Standards: DIN 118504) Mark: Steel Seal and Label5) Applied field: Pharmacy, sanitary ... , wooden cases or according to customers' requests. Round Stainless Steel Pipes and Tubes