| Project Name |
| Shijiazhuang Zhengtuo Air Co., Ltd. 3,000NM3/h Biogas Purification and Regeneration Project |
| Tangshan Luan Xian Xiangtang zheng Yanshan Xincun 3,000NM3/day Straw Biogas Supply Project |
| Hebei Zhilong Biomass Technology Co., Ltd. 2015 Large-scale Biomass Gas Engineering Pilot Project |
Xindi Energy Engineering