ISG, ISWZ series single-stage, single suction pipeline centrifugal pumps and direct connection centrifugal pumps adopt the performance parameters of IS pumps. It has been improved, developed and combined to successfully solve some shortcomings of IS type pumps in use. This series of products has the advantages of high efficiency, energy saving, low voice, stable performance, convenient maintenance, etc. It is an ideal replacement product of IS type pumps. At the same time, hot water, high temperature, corrosion resistant pumps and oil pumps are produced according to different temperatures. The products are designed and manufactured according to the international IS02858 standard and meet the requirements of JB/T53058-93R of the Ministry of Machinery of the People's Republic of China. In 1993, the products passed the management system inspection of the Ministry of Machinery of the People's Republic of China.