1. Changzhi Oasis Environmental Protection Building Materials Co., Ltd.: This company is located on the north side of the west outer ring of Changzhi City, mainly engaged in the recovery, treatment and reuse of construction waste.
2. Changzhi Huaken Environmental Protection Building Materials Co., Ltd.: This company is located in the south of the North Ring Road and the west of Shengli Street in Changzhi, mainly engaged in the business of recycling, crushing and producing recycled aggregate of construction waste.
3. Changzhi Century Greentown Environmental Protection Co., Ltd.: This company is located in the east of the North Outer Ring Road and south of Taihang South Road in Changzhi City, mainly engaged in the recycling, treatment and resource utilization of construction waste.