Janya Extrusions Pvt. Ltd. Manufactures Air Conditioning Copper Tubes. Janya Extrusions Pvt. Ltd. Is an ISO 9001:2000 certified company. The company also manufactures Brass Profile, Brass Rounds, Brass Bar, Copper Bar, Copper Bus Bars, Copper Profile, Copper Rounds, Copper Tubes, Cupro Nickel Tubes, Brass Flats, and Brass Tubes. Air Conditioning Copper Tubes are used in Air-conditioning & Refrigeration systems. A large part of the production is supplied in the Heating, Ventilating, and Air Conditioning industry.