brass export drain fitting 1.material:brass 2.surface:natural sand-burnish 3.certificate:ISO9001:2000 brass closet flange Technical requirement:1.Before assembling,the products will be cleaned, no oil or grease. Remove all burrs and sharp edges.2.test the all of the quality before backingHigh quality, competitive price,good serviceWelcome to your inquiry !Technical specification1.Material:brass2. ...