Kangning is a qualified supplier to large enterprises such as Sinopec, CNPC, CNOOC, China SinochemHoldings, CATL, BYD, Wanhua Chemical Group and the Chinese People's Liberation Army; It is also apartner of BASF, Dow Chemical, Secco, Celanes, Toyo Engineering, Linde, Huntsman, ABB,Siemens, Yokogawa, Emerson, Advance, Baker Hughes, Schlumberger, Halliburton, Raffles and other internationally renowned companies.In 1994, kangning successfully developed China’s first explosion-proof air conditioner, in 1997, the first explosion-proof dehumidify; and in 2005,the first explosion-proof heating ventilation air conditioning unit especially for the positive pressure and ventilation requirements room. So far, more than 70,000 sets of different type explosion-proof air conditioners have been applied to flammable and explosive industries such as petroleum, petrochemical, offshore, aerospace, military and electric power, and are export to more than 20 countries and regions in the world.