Shijiazhuang King Transportation Equipment Co., Ltd. (hereinafter referred to as “King”) is a joint venture invested by CRRC Shijiazhuang Co., Ltd. and Taiwan King Machinery Co., Ltd., with a registered capital is USD45 million and an annual output of more than 10,000 sets of air conditioning units. It is the biggest professional air conditioning manufacturing enterprise for railway vehicles in China. 
King is a national certified high-tech enterprise possessing the most capable R&D team and the most advanced and complete test and inspection equipment in the industry. Also King has the independent R&D capability and its own intellectual property, which enables King to quickly respond to various product types and orders, and provide a perfect after-sales service system.
King has passed the integrated certification on International Railway Industry Standard (IRIS), and has passed the EN15085 European welding management system certification, CRCC railway product certification, ISO14000 environment management system certification, work safety standardization certification and ISO9001 quality management system certification. 
King has been accredited as the long-term partner of Alstom and Bombardier both of which are world-class vehicle manufacturers. In international railway projects awarded, represented by London Metro, Brazil Sao Paulo Metro and New York Metro, King demonstrated extraordinary strength for its technology, quality and quick response. 
From 2006 to 2016, King achieved a turnover growth at a rate of no less than 30% per year on average which made it become the most rapidly developed and competitive enterprise in the industry. 
King always remembers to make contributions to the society. With the spirit of donating one hope school each year, King has built ten hope primary schools. And each year, a certain amount of scholarship, fellowship and teaching equipment are provided by King to have them become a training base of outstanding students and teachers.