Shandong Oasis Environmental Engineering Design Institute Co., Ltd. (former names: Shandong Oasis Environmental Engineering Co., Ltd., Zibo Oasis Environmental Engineering Co., Ltd.)

A water treatment engineering and chemicals enterprise whose main business covers environmental engineering design and construction, compounding and sales of water treatment chemicals, and processing and sales of environmental protection and water treatment equipment. It holds technical advantages in fields such as refined cotton wastewater, silica gel wastewater, fumaric acid wastewater, printing and dyeing wastewater, and reverse osmosis (RO) concentrate reuse, and completed more than one hundred water treatment projects during its existence. Public sources do not show that it engaged in the R&D or sale of anaerobic ammonium oxidation (Anammox) bacterial agents; the attribution of this niche segment (Anammox red bacteria) lacks publicly available supporting evidence. The company was deregistered on 2020-01-20.

Established in 2009.

Headquartered in Shandong, China.