... COILTECHNIQUEcold rolled/galvanizedcold rolled/galvalume/aluminum-zinc alloygalvanized galvalume cold rolled coatedSURFACE TREAMENTMini/regular/big/zero spangle,chromate- ... paper,the ring of defense on inside and outside,PET belt,and the guard plate.We can pack ... ,corrugated roof,walls,rainwater pipes,balcony railings,kiosks,cold storage,cargo sales pavilion,roller shutter doorsSPECIAL APPLICATIONwear ...