How many sporadic wastewater recycling companies are there in Dongguan?

Five. According to official website of Dongguan Industrial and Commercial Bureau, as of May 3, 2023, there were five sporadic wastewater recovery companies in Dongguan, namely Dongguan Jiacheng Environmental Protection Technology Co., Ltd., Jinchuang Environmental Protection (Dongguan) Co., Ltd., Dongguan Xinhui Environmental Protection Technology Co., Ltd., Dongguan Changan Sporadic Industrial Wastewater Treatment Service Center and Dongguan Risheng Waste Oil Wastewater Recovery Co., Ltd. Dongguan, referred to as "Dongguan" for short, is a prefecture-level city and megacity under the jurisdiction of Guangdong Province, and is the central city on the east coast of Guangdong Province.