Dingtai International Holdings Limited (DTI) was founded iin 2001. Our mission is “One-stop Supply, Satisfying Customers”. DTI has become one of the leading professional manufacturers and suppliers in HVACR fields for its unique business idea, experienced staffs and advanced production line. DTI’s management team includes experienced engineers, researchers and workers who understand well the needs of the mechanical systems and marketing professionals of the HVACR fields. Our products are either designed or carefully selected by DTI’s management team to ensure the products meet highest quality demands. DTI offers the following quality products:  Copper Tube and Fittings  Aluminum Pipes and Tubes  Plastic Pipes and Fittings  Building Insulations  Flexible Ducts  Tapes  Pipe Assemblies  Refrigerant  Vibration Absorber  Ceiling Diffuser and Grille  Fans  Motors  Fin Coil Heat Exchangers and Fan Coils  Thermostat  Nails  Hardware tools All products we supplied are under ISO 9000, ISO 14000 management systems and with CE, UL, CCC, TUV, UPC, WHI, Kite Mark approval. In order to have sufficient variation for our customer, we set up our mainland office in 2009 in Qingdao which is one of the largest and most beautiful sea ports in China. Our commitment is to deliver superior quality products and excellent service. At DTI, we will work closely with our customers to meet their needs, build and nourish long lasting business relationships.