1、the 120m natural gas tunnel kiln of Shanxi Yangquan Fengze Yongjin refractory company
2、the 157m wide cross-section gas tunnel kiln of Shandong Zibo Daqiao refractory plant
3、the 100m hot coal gas tunnel kiln of Shanxi Yangquan Huize refractory Co., LTD
4、the 100m natural gas drawer kiln of Henan Ximi Qingping refractory Co., LTD
5、the 157m wide cross-section refractory tunnel kiln of Wuhan steel company
6、the 188m hot coal gas silica brick tunnel kiln of Shanxi Yangquan Fengze refractory Co., LTD
7、the 180m hot coal gas silica brick tunnel kiln of Shanxi Yangquan Jingying refractory Co., LTD
8、the 12,000 tons/year clay brick light tunnel kiln of Shanxi Yangquan Yaoguang refractory Co., LTD
9、the six 220m3 hot coal gas rectangular kiln of Shanxi Yangquan Fengze refractory Co., LTD
10、the 15000T/year hot coal gas silica brick tunnel kiln of Shanxi Jiexiu Gaoxiong refractory Co., LTD
11、the 189m hot coal gas silica brick tunnel kiln of Henan Xinmi Caihua refractory Co., LTD
12、the 157m hot coal gas silica brick tunnel kiln of Henan Xinmi Changlong refractory Co., LTD
13、the 90m high-alumina brick gas tunnel kiln of Henan Xinmi Qingping refractory Co., LTD
14、the two 100m3 high-alumina brick gas drawer kiln of Henan Xinmi Qingping refractory Co., LTD