The following businesses:

1. Liangshan Tianju Second-hand Equipment Purchase and Sale Co., Ltd.: This company is located in Liangshan County, Jining City, Shandong Province, and provides recycling services for all kinds of chemical equipment, including enamel reactors, stainless steel evaporators and diaphragm filter presses.

2. Regular second-hand equipment recycling manufacturer: This company is located in Huangshan, Anhui Province, and provides recycling services for all kinds of chemical equipment, including second-hand chemical equipment and food equipment.