We now have our individual sales group, layout team, technical team, QC crew and package group. Now we have strict high-quality control procedures for each procedure. Also, all of our workers are experienced in printing discipline for wheel type heat recovery core, air cooled condensing equipment , Ventilation system solutions , AIR TO AIR HEAT EXCHANER ,heat wheel . Welcome to create the well and extensive standing business enterprise interactions with our business to produce a superb potential jointly. customers' pleasure is our eternal pursuit! The product will supply to all over the world, such as Europe, America, Australia,Bangladesh , St. Petersburg ,Los Angeles , Costa Rica .We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.