It contains pumps made in Japan, and the PP percolation tube bodies made in Germany, the PP percolation insides made in the US ,the ball valves and the needle type manometers made in Italy.

• 由日本产异威奇泵、德国产PP过滤筒身、美国产PP过滤芯、意大利产球阀及指针式压力表等组成。