North District Supply Al plating standard piece Brand: Calmetrics; Location: United States distributor in China, Ben Blue Technology distributor CalMetics series of standard piece (standard), plating standard piece by A2LA (American Association for Laboratory Accreditation) and the NIST certification, all US factory production of standard pieces of professional certification company. Coatings for tablets Al / XX standard (available special order): Aluminum ALUMINUM (Al) CSAL40 Al / XX 40u "(1.00um) CSAL120 Al / XX 120u" (3.00um) CSAL200 Al / XX 200u "(5.00um Mr. Wu Xiang) CSAL500 Al / XX 500u "(12.5um) Sales Manager 136 1959 Fifth Linger