1.Large-scale producers 2.OEM,L/C,T/T Payment 3.10 years Quality Assurance 4.UPC,CCC,CQC,ISO9001:2000.CE.ROHS.TUV.ETL.CMA.CAL Metalwork Jade care and maintenanceRemove stains and repair scratches or burns1, first clean the surface with water to no sand or dust2, soaked with water after the water mill, No. 800 sandpaper with water marks on the ground to disappear for circular motion until the3, ...