WELLE Group Co., Ltd. together with its subsidiaries, provides treatment solutions for municipal, agricultural, and industry fields in the People's Republic of China and internationally. It provides food waste, kitchen waste, waste leachate, and municipal sewage treatment, as well as kitchen and food waste co-treatment, waste to energy, and river remediation solutions for municipal field; organic waste utilization and rural domestic sewage treatment solutions for agricultural sector; and industrial wastewater and flue gas treatment, as well as VOC recovery, industrial energy saving and waste utilization solutions for industry sector. It also designs, manufactures, and commissions environmental protection equipment, and sorting and recycling equipment. The company was formerly known as WELLE Environmental Group Co.,Ltd and changed its name to WELLE Group Co., Ltd. in June 2026. The company was founded in 2003 and is headquartered in Changzhou, the People's Republic of China.