... 2. High quality guarantee, with reasonable price 3. Surface treatment: bright annealed AISI 316L Stainless Steel Welded Pipe1. ISO, CE, CPD ... , CPI Certified2. High quality guarantee, with reasonable price3. Surface treatment: bright annealed with high-quality protective gas4. Techinique: Cold drawn, cold ... Test certification is provided AISI 316L Stainless Steel Welded Pipe Bright Annealed