CLK Corporation is a joint venture between Global CLK and Autech that is continuing to raise the standards for air conditioning both domestically and internationally through providing eco-friendly, energy efficient products created through technological and financial cooperation. CLKĄ¯s air conditioning systems boast the ability to maintain air conditioning and heating at high speeds of over 350 km on highspeed trains such as KTX and the TGV, and are being used in high-speed trains all over the world. CLK systems also provide eco-friendly, energy efficient air conditioning and heating systems, not only for households and businesses, but for large-scale buildings, hotels, high-tech industrial facilities, large ships, various other commercial/industrial facilities. Providing high-tech buildings all over the world with the necessary air conditioning systems, CLK extends its technological expertise in high-quality air conditioning services to the client.