What are the names of the Seven Tigers of Xiaoyi?

Sanjin (Jinhui, Jinda and Jin Yan), Yao Xin, Loudong, Dongyi and Pengfei. Xiaoyi Coking Industrial Park has seven flagship enterprises, which are called "Seven Tigers of Xiaoyi". They are: Sanjin (Jin Hui, Jinda, Jin Yan), Yao Xin, Loudong, Dongyi, Pengfei and other seven coking enterprises. The chairmen of these seven companies are all very rich and famous in the local area, even second to none in Shanxi Province.