We specialized in making various of metering pump for above 4-5 years,and strictly manufactured accroding to GB/7782-1996. Our main products are diaphragm-type metering pumps ,plug-type metering pumps, hydraulic diaphragm type metering pumps, and whole-set of dosing devices, as well as various water treatment related spare parts. These products are widely used in industrial and mining establishments, urban environment, petrochemical industry, food industry, industrial water conditioning, purified water and pharmacy etc.