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Changzhou Concord International Trade Co.,Ltd. mainly sale precision stainless seamless tube . Material : TP316/316L. Size range: ODФ2～Ф89mm, WT 0.3mm ～ 6mm. And manufacture as per customer’s special requirements. The main specifications is: ASTM A213/ A269 .The raw material sources are from Shanghnai No. 5, Yongxing (Jiuli) Speciality Steel, Tsingshan Iron & Steel. The industries including Petro, Chemical, Paper maker, Ship building, Medicals, Food industry, Nuclear Power, Military and Mechinery