What are the livestock manure collection companies in Chongzhou?

According to Baidu map, there are two livestock and poultry manure collection companies in Chongzhou: Chengdu Hong Sean Livestock and Poultry Manure Collection Service Professional Cooperative and Rongtong Agricultural Manure Collection (Chongzhou) Co., Ltd. Chongzhou, formerly known as Zhou Shu, is a county-level city under the jurisdiction of Sichuan Province and managed by Chengdu. It borders Wenjiang District and Shuangliu District of Chengdu in the east, Xinjin District in the south, Dayi County in the west, Dujiangyan City in the north and Wenchuan County in the northwest.