1. Shandong Ailan Environmental Protection Engineering Co., Ltd. Ailan Environmental Protection has many years of experience in the spray system industry, and independently developed and manufactured Ailan brand intelligent spray dust removal system and Jiajia wet brand intelligent high-pressure humidifier. The main engine of intelligent spraying system, supporting control system and heat preservation and protection pipeline have all applied for patents. 2. The fogging system developed and produced by Henan Shanrui Technology Co., Ltd. belongs to the earlier landscape artificial fogging products in China. Its main core technology is ultra-fine mist particles produced by high-pressure micropores, which have good cooling and humidifying functions. 3. Nanrusen Environmental Protection Technology Co., Ltd. The company sells environmental cleaning equipment and related products, including Wusen system, artificial atomization equipment, landscape fountain, music fountain, spray dust suppression equipment, engineering car washing machine, engineering turbine field dust monitor, and eight series of hundreds of varieties. 4. Wuhan Jiasheng Jiecheng Environmental Protection Equipment Co., Ltd. This company is a collection of R&: A new technology enterprise that produces and sells cleaning equipment and environmental protection equipment. Relying on technology, products, effects and strong strength, we have undertaken large-area and high-demand intelligent spraying system projects for many times. 5. Hunan Jinsheng Wusen Environmental Protection Technology Co., Ltd. produces R&; Team d and construction after-sales team have passed OHSAS 1800 1 safety management system certification. The unit equipment has signed long-term strategic cooperation agreements with companies such as HAWK, ABB, Zheng Tai, Tianzheng, Delixi and CNC.