Water treatment equipment: water treatment equipment, technology, pollution control technology, low-carbon energy-saving technology, products and services, ecological rehabilitation and protection, pollution control technology, green drinking water, seawater desalination equipment and technology

Water treatment technology: water and sewage treatment, water and sewage plant construction and upgrading and renovation, water transportation and sewerage (pumps, valves and accessories) sponge city technology and products, rivers, lakes and black and smelly water management and ecological restoration