Simple construction; easy to assemble. Long life; trouble-free operation. Inexpensive maintenance; easily serviceable by unskilled labour. Continuous rotary action delivers steady non-pulsating water flow. No wasted energy; flow rate proportional to pump seed.

Cemo pumps is the Crown group's manufacturing arm, and encompasses the main brand, Cemo, under which most products are marketed. Cemo helical-rotor pumps, Cemo borehole pumps, Cemo hand-pumps and Crown piston-plunger pumps are manufactured by Cemoto ISO 9001:2000 standards and sold through the company's sales and distribution arm, Amanzi Pumps, Machining facilities include CNC lathes, machining centres, vertical and horizontal boring mills, general turning, milling, drilling, and gear cutting.