1. ISG pipeline pump is used to transport clean water and other liquids with physical and chemical properties similar to clean water. It is suitable for industrial and urban water supply and drainage, high-rise building pressurized water supply, garden sprinkler irrigation, fire pressurization, long-distance transportation, HVAC refrigeration cycle, bathroom and other cold and warm water cycle pressurization and equipment matching, use temperature T <80 ℃. 2. IRG type vertical hot water pump is suitable for metallurgy, chemical industry, textile, wood processing, papermaking, and high-temperature hot water pressurization circulating transportation of boilers in restaurants, bathrooms, hotels, and urban housing heating circulation pumps. The use temperature is below 120℃. 3. GRG type vertical high temperature centrifugal pump is widely used in: energy, metallurgy, chemical industry, textile, papermaking, and high-temperature hot water pressurization circulating transportation of boilers in restaurants, bathrooms, hotels, and urban housing heating circulation pumps, the use temperature is below 240 ℃ . 4. IHG vertical stainless steel pipeline centrifugal pump, used for conveying liquids that do not contain solid particles, are corrosive, and have a viscosity similar to water. It is suitable for petroleum, chemical, metallurgical, electric power, paper, food, pharmaceutical and synthetic fiber sectors. The temperature is -20℃ ~ 120℃. 5. YG type pipeline oil pump is used to transport petroleum products such as gasoline, kerosene, diesel, etc. The temperature of the conveyed medium is -20℃ ~ + 120℃. 6. IHGB type vertical stainless steel explosion-proof chemical centrifugal pump, suitable for conveying flammable chemical liquids. 7. ISGD, IRGD, GRGD, IHGH, YGD, IHGBD vertical low-speed centrifugal pumps, suitable for occasions with low environmental noise requirements and air conditioning cycles.