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Sifas tretman KTL(E-coating), Zenk kouvri nèt, Iwa Polissage, grenn sab Projection, sitwon chimique, ksid nwa, penti à idée, en plak blanch, Nikèl kouvri.
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Surface treatment KTL(E-coating), Zinc plating, Mirror Polishing, Sand Blasting, Acid pickling, black oxide, Painting, Hot galvanizing,Powder coating, Nickel plating.