1. Environmental monitoring instruments and equipment 1. Pollution control facility operation recorder Concentrator Technology (Hangzhou) Co., Ltd. 2. PH water quality automatic analyzer American Hach Company/Concentrator Technology (Hangzhou) Co., Ltd./ Yuxing Technology Development (Shenzhen) Co., Ltd./Shenzhen Hangchuang Medical Equipment Co., Ltd., etc. 3 Conductivity water quality automatic analyzer American Hach Company/Focus Technology (Hangzhou) Co., Ltd./Yuxing Technology Development (Shenzhen) Co., Ltd. 4 Automatic turbidity water quality analyzer American Hach Company/Focus Technology (Hangzhou) Co., Ltd./Yuxing Technology Development (Shenzhen) Co., Ltd. 5 Dissolved oxygen (DO) automatic water quality analyzer American Hach Company/Focus Technology ( Hangzhou) Co., Ltd./Yuxing Technology Development (Shenzhen) Co., Ltd. 6 Fully automatic ion analyzer (fluorine/nitrate/water hardness/pH) Shenzhen Hangchuang Medical Equipment Co., Ltd. 7 Chemical oxygen demand water quality online automatic monitor Jiangsu Huihuan Environmental Protection Technology Co., Ltd., Taiyuan Zhonglv Environmental Protection Technology Co., Ltd., Nanjing Hongkai Environmental Protection Technology Co., Ltd., Jiangsu Delin Environmental Protection Technology Co., Ltd., etc. 8 Permanganate index water quality automatic analyzer Jiangsu Luye Environmental Protection Technology Instrument Co., Ltd. 9 Total organic carbon (TOC) automatic water quality analyzer Shimadzu Instruments (Suzhou) Co., Ltd. 11 Automatic ammonia nitrogen water quality analyzer Beijing Lida Xin Environmental Safety Technology Co., Ltd., Jiangsu Delin Environmental Protection Technology Co., Ltd. 12 Total nitrogen water quality automatic analyzer American Hach Company, Jiangsu Delin Environmental Protection Technology Co., Ltd. 13 Total phosphorus water quality automatic analyzer Jiangsu Luye Environmental Protection Technology Instrument Co., Ltd. 14 Ultrasonic pipeline flow meter Beijing Jiuboshengdi Technology Co., Ltd., Taicang Chuangchuang Electronics Co., Ltd., etc. 15 Ultrasonic open channel sewage Flowmeter Yuxing Technology Development (Shenzhen) Co., Ltd., Hangzhou Kesheng Mechanical and Electrical Equipment Co., Ltd., etc. 16 Electromagnetic pipeline flow meter Hangzhou Kesheng Mechanical and Electrical Equipment Co., Ltd. 17 Stationary pollutant emission continuous monitoring system Xi'an Dingyan Technology Co., Ltd. 18 Ding Potentiometric electrolytic sulfur dioxide analyzer Testo Instrument International Trade (Shanghai) Co., Ltd. 19 Total suspended particulate matter sampler Wuhan Tianhong Instrument Co., Ltd. 20 Orifice flow meter for calibrating the total suspended particulate matter sampler Wuhan Tianhong Instrument Co., Ltd. 21 Large plate Balance Wuhan Yuhong Environmental Protection Industry Development Co., Ltd., Anhui Landun Optoelectronics Co., Ltd. 22 Flue gas sampler Wuhan Tianhong Instrument Co., Ltd. 23 Smoke sampler Wuhan Tianhong Instrument Co., Ltd., Qingdao Laoshan Electronic Instrument Co., Ltd. 24 Gas parameter measurement and sampler fixed position device Qingdao Laoshan Institute of Applied Technology 25 Ambient air sampler Qingdao Laoshan Institute of Applied Technology 26 Ultraviolet (UV) absorption water quality automatic online monitor Tianjin Gangdong Science and Technology Development Co., Ltd. 27 24 hours Constant temperature automatic continuous ambient air sampler Qingdao Laoshan Institute of Applied Technology 28 Data acquisition and transmission instrument Chengdu Hailan Tiancheng Technology Co., Ltd. 29 Ambient air quality automatic monitoring system Focus Technology (Hangzhou) Co., Ltd., Beijing Zhongsheng Tyco Environmental Technology Development Co., Ltd. 30 Automatic water quality sampler Shijiazhuang Derun Environmental Protection Technology Co., Ltd., Chengdu Hailan Tiancheng Technology Co., Ltd., etc. 31 Online monitor for oil fume concentration in the catering industry Qingdao Jiaming Measurement and Control Instrument Co., Ltd. 2. Water pollution control products 1 Biological contact oxidation complete set Device Beijing Zhifeng Environmental Protection Equipment Co., Ltd. 2 Electrolytic chlorine dioxide synergistic disinfectant generator Qingdao Jinhaisheng Environmental Protection Equipment Co., Ltd. 3 Chemical chlorine dioxide disinfectant generator Hunan Haiers Environmental Engineering Co., Ltd. 4 Electrolytic sodium hypochlorite generator Nanjing Hua Source Water Treatment Industrial Equipment Factory 5 Ozone Generator Renxin Energy Saving and Environmental Protection Equipment (Shanghai) Co., Ltd. 6 Rotating fine grille Henan Jingu Environmental Protection Engineering Equipment Co., Ltd. 7 Grille decontamination machine Henan Jingu Environmental Protection Engineering Equipment Co., Ltd. 8 Mud scraper Henan Jingu Environmental Protection Engineering Equipment Co., Ltd. 9 Vertical

Shaft mechanical surface aeration device Shangcheng County Kaiyuan Environmental Protection Equipment Co., Ltd. 10 Turntable aeration device Henan Jingu Environmental Protection Engineering Equipment Co., Ltd. 11 Jet aerator Gordon Environmental Protection 12 Diffusion aerator Yixing Weiya Environmental Protection Co., Ltd. 13 Zhong , Microporous aerator Yixing Weiya Environmental Protection Co., Ltd. 14 Blower submersible aerator Nanjing Lanying Environmental Company 15 Rotating brush aeration device Yixing Donglai Environmental Protection Engineering Equipment Co., Ltd. 16 Dosing device for water treatment Jiangsu Tian Yu Environmental Protection Group Co., Ltd. 17 Neutralization device Beijing Xuhai Mingrui Water Supply and Drainage Equipment Manufacturing Co., Ltd. 18 Shallow pool air flotation device Shandong Better Environmental Protection Technology Co., Ltd. 19 Pressure dissolved air flotation device Zhangjiagang Sanxing Purification Equipment Manufacturing Co., Ltd. 20 Roots blower Nantong Hengrong Machine and Pump Factory Co., Ltd. 21 Hydrocyclone separator Jingxian Huayu Polyurethane Wear-resistant Equipment Factory 22 Chamber filter press and plate and frame filter press Shandong Laiwu Coal Mining Machinery Co., Ltd. 23 Belt for sludge dewatering Type press filter Shandong Jinhao Sanyang Environmental Protection Machinery Co., Ltd. 24 Multi-layer filter material filter Shandong Jinhao Sanyang Environmental Protection Machinery Co., Ltd. 25 Microporous filtration device Shandong Jinhao Sanyang Environmental Protection Machinery Co., Ltd. 26 Ultrafiltration device Shandong Jinhao Sanyang Environmental Protection Machinery Co., Ltd. Co., Ltd. 27 Automatic cleaning mesh filter Shandong Jinhao Sanyang Environmental Protection Machinery Co., Ltd. 28 Electrodialysis device Kejia Membrane Technology and Membrane Engineering Center 29 Reverse osmosis water treatment device Hangzhou Yajie Environmental Protection Equipment Co., Ltd. 30 Submersible sewage pump Shanghai Pat Pump Industry 31 Mud suction machine Shangcheng County Kaiyuan Environmental Protection Equipment Co., Ltd., Jiangsu Tianyu Environmental Protection Group Co., Ltd. 32 Solid float-type PVC oil boom Lanzhou Sanjiang Environmental Protection Equipment Factory 33 Fixed float-type rubber oil boom Qingdao Zehai Environmental Protection Technology Co., Ltd. 34 Inflatable rubber oil boom Qingdao Zehai Environmental Protection Technology Co., Ltd. 35 Oil-water separation device Xinxiang North Filter Co., Ltd. 36 Inclined tube (plate) oil separation device Shandong Liangcheng Environmental Protection Engineering Co., Ltd. 37 Electric coagulation treatment equipment Shanghai Jiangke Experimental Equipment Co., Ltd. 38 Ultraviolet disinfection equipment Guangzhou Weigu Environmental Protection Equipment Co., Ltd. 39 Rotary decanter Jiangsu Tianyu Environmental Protection Group Co., Ltd. 40 Sludge concentration belt dehydration integrated machine Zhejiang Tianyu Environmental Protection Equipment Co., Ltd. 41 Single-stage high-speed aeration centrifugal blower Nantong Heng Rongji Pump Factory Co., Ltd. 42 Push-flow submersible mixer Nanjing Huilan Environmental Protection Equipment Co., Ltd. 43 Catering industry oil and wastewater separation device Shenzhen Riser Environmental Protection Co., Ltd. 44 Upflow anaerobic reactor Shandong Jinhao Sanyang Environmental Protection Machinery Co., Ltd. 45 Electronics Type water processor Shanghai Shuangjin Fluid Equipment Co., Ltd. 46 Activated carbon adsorption tank for water treatment Dongguan Jinhong Activated Carbon Co., Ltd. 47 Integrated sewage treatment equipment Shandong Jinhao Sanyang Environmental Protection Machinery Co., Ltd. 48 Membrane bioreactor Shanghai Tongguang Science and Education Instrument Co., Ltd. Company 3. Air pollution control products 1 Industrial boiler multi-tube cyclone dust collector Haicheng Lantian Furnace Kiln Dust Removal Equipment Co., Ltd. 2 Wet flue gas desulfurization and dust removal device Anshan Shuangli Fan Conveyor Manufacturing Factory 3 Granite wet flue gas desulfurization and dust removal Device Beijing Qingshan Luye Environmental Protection Technology Co., Ltd. 4 Industrial dust wet dust removal device Beijing Qingshan Luye Environmental Protection Technology Co., Ltd. 5 Pulse injection bag dust collector Jiangsu Fengfeng Hongyun Environmental Protection Technology Development Co., Ltd., Su Fengfeng Hongyun Environmental Protection Technology Development Co., Ltd. 6 Rotary backflush bag dust collector Haicheng Lantian Furnace Kiln Dust Removal Equipment Co., Ltd. 7-chamber backflush bag dust collector Jiangsu Fengfeng Hongyun Environmental Protection Technology Development Co., Ltd. 8 Electromagnetic pulse valve for bag dust collector Suzhou Xiechang Environmental Protection Technology Co., Ltd. 9 Bag dust collector bag Baosteel Development Co., Ltd. Labor Protection Products Factory 10 Bag dust collector filter bag frame Suzhou Xiechang Environmental Protection Technology Co., Ltd. 11 Electric precipitator Haicheng Lantian Furnace Kiln Dust Removal Equipment Co., Ltd., Sinosteel Group Tiancheng

Environmental Protection Technology Co., Ltd. 12 Electric precipitator high-voltage rectifier power supply Xiamen Ruichuan Technology Co., Ltd. 13 Electric demister Jiangsu Fengfeng Hongyun Environmental Protection Technology Development Co., Ltd. 14 Wet paint mist filtration and purification device Wuhan Ideal New Century Industry and Trade Development Co., Ltd. 15 Industrial waste gas absorption and purification device Zhangjiagang Sanxing Purification Equipment Manufacturing Co., Ltd. 16 Industrial waste gas adsorption and purification device Guangzhou Dis Environmental Protection Equipment Engineering Co., Ltd. 17 Industrial organic waste gas catalytic purification device Zhangjiagang Sanxing Purification Equipment Manufacturing Co., Ltd. 18 Air purifier Haining City, Zhejiang Province Qingyun Huaxing Environmental Protection Purification Plant 19 Technical requirements and testing technical specifications for catering industry oil fume purification equipment Shanghai Nanhu Hotel Supplies Co., Ltd. 20 Gasoline vehicle catalytic converter Guizhou Huangdi Vehicle Purifier Co., Ltd. 21 Motorcycle exhaust catalytic converter Guizhou Huangdi Vehicle Purification Co., Ltd. 22 Gasoline vehicle fuel evaporation pollutant control system (device) Chongqing Fangyuan Industry and Trade Co., Ltd. 23 Automobile gasoline detergent Shenzhen Lankai Chemical Co., Ltd. 24 Small and medium-sized fuel and gas boilers Dalian Zhengda Tianan Environmental Engineering Mailbox Company 25 Fuel Coal atmospheric pressure hot water boiler Hebei Qunxiang Heating Equipment Co., Ltd. 26 Industrial boiler Jiangsu Huihuan Environmental Protection Technology Co., Ltd. 27 Electrostatic welding smoke purifier Beijing Huanke Environmental Protection Technology Co., Ltd. 28 Wind protection and dust suppression network Suzhou Clayway Environmental Protection Equipment Engineering Co., Ltd. 29 Wet flue gas desulfurization device Jiangsu Fengfeng Hongyun Environmental Protection Technology Development Co., Ltd. 30 Diesel vehicle exhaust after-treatment device Guizhou Huangdi Vehicle Purifier Co., Ltd. 31 Activated carbon Guangzhou Bokong Automation Technology Co., Ltd. 32 Biomass pellet fuel Guangzhou Di Si Environmental Protection Equipment Engineering Co., Ltd. 33 Biomass molded fuel boiler Yiwu Andong Electric Co., Ltd. 34 Regenerative thermal oxidation furnace Jiangsu Jinneng Environmental Technology Co., Ltd. 35 Electric bag composite dust collector Shenyang Hongsheng Environmental Protection Equipment Co., Ltd. 36 Coal transportation Use dust suppressant Beijing Jinyuanyi Ecological Engineering Technology Center 4. Noise and vibration control products 1 Ventilation muffler Nanjing Changrong Noise Control Environmental Protection Engineering Co., Ltd. 2 Gasoline engine exhaust muffler Nanjing Changrong Noise Control Environmental Protection Engineering Co., Ltd. 3 High-pressure gas emissions Small hole muffler Nanjing Changrong Noise Control Environmental Protection Engineering Co., Ltd. 4 Sound insulation window Hangzhou Hengning Acoustic Technology Co., Ltd. 5 Sound insulation door Yingkou Chungang Industrial Co., Ltd. 6 Flexible rubber joint Luoyang Guorun Pipe Industry Co., Ltd. 7 Damping spring partition Vibrator Foshan Nanhai District Lizhiheng Gas Spring Co., Ltd. 8 Rubber vibration isolator Dongguan Zhaoshanchen Vibration Reduction Engineering Co., Ltd. 9 General-purpose low-noise axial flow fan Zhejiang Shangyu Sanhe Fan Co., Ltd. 10 Low-noise cooling tower Ryoden Cooling Equipment Co., Ltd. 11 Sound-absorbing materials Nanjing Changrong Noise Control and Environmental Protection Engineering Co., Ltd. 12 Sound barrier Nanjing Changrong Noise Control and Environmental Protection Engineering Co., Ltd. 13 Sound insulation cover Zhongshan Sanhe Hardware Sound Control Co., Ltd. 14 Sound isolation room Shenzhen Zhisheng Noise Control Engineering Co., Ltd. 5. Solid waste treatment and disposal products 1 Domestic waste incinerator Jiangsu Tianying Environmental Protection Energy Co., Ltd. 2 Industrial waste incinerator Beijing Xinlvao Weiye Boiler Co., Ltd. 3 Garbage compactor Yutong Heavy Industry Co., Ltd. 4 Garbage biochemical treatment Machine Guangzhou Kangshuai Mechanical and Electrical Products Co., Ltd.