Shandong Haihui Environmental Technology Co., Ltd. was established in January 2015 with a registered capital of 29.23 million yuan. It is located in the high-tech corridor of Dongying City, a national economic development zone, with a building area of 5400 square meters. Currently, it is committed to the research and development of environmental online monitoring instruments and information technology, and is a provider of overall solutions for urban level ecological big data construction. Haihui Environment's IoT based environmental data cloud services, including the "Ecological Network Monitoring Big Data Platform" and the "Online Monitoring and Early Warning Emergency Platform for Toxic and Harmful Gases in Cities and Industrial Parks," can provide real-time, accurate, and intelligent data and value-added services to governments at all levels, industrial parks, and enterprise users in a timely manner; The independently developed volatile organic compounds (VOCs) online monitoring system is widely used in enterprises and industrial parks. The VOC online monitoring equipment business has covered 24 provinces and municipalities directly under the central government in China. Customers include Sinopec, ChemChina, PetroChina, CNOOC, Shanghai Volkswagen, Shanghai Zhanxin Resin, China Wanda Group, Heavy Machinery Investment Co., Ltd., Qingdao Shuangxing, Fenghuang Dongxiang Printing and Dyeing, Hengxin Packaging, Qilu Pharmaceutical, Xinhua Pharmaceutical, Navy 4210 Printing Factory, etc. Globally, Haihui Company has established in-depth technical exchanges and cooperation with 17 countries including the United States, France, Sweden, Germany, the United Kingdom, Japan, and South Korea. It is one of the first enterprises to obtain the explosion-proof certificate for VOCs online monitoring equipment, the "Manufacturing Measurement Instrument License" (CMC certification), and the "Measurement Instrument Type Approval Certificate" (CPA certification). It is also a member of the China Environmental Protection Industry Association and the Environmental Science Society, and is one of the first national major environmental protection equipment explosion-proof volatile organic compound real-time monitoring system supporting units.