... 1.Good color and luster.all the fittings are cleaned .the burr and the impurities must be avoid. ,,.2. ... 4.we can design whatever you require if you have the drawings. ,.5. Material: iron, carbon steel, stainless ... 3.Delivery : As general,we can guarantee the delivery within one month. ,.4.Samples Fee: we can ... afford the samples fee. .If you have any questions ...