Inner-Grooved Copper Tubes (Copper IGT) is sourced from the renowned suppliers such as Jintian, Hailiang, LS Metal and Mettube. These brands are approved by brands like Daikin, Samsung and LG for use in airconditioner condensor coils. Inner-grooved copper tubes were created to help improve energy efficiency and reduce size in air-conditioners. At Mardia Metals we offer high-quality and high-performance inner-grooved tubes to meet the diverse needs of customers.