About product and suppliers:
            37,084 screw pump products are offered for sale by suppliers on Alibaba.com, of which lids, bottle caps, closures accounts for 17%, pumps accounts for 13%, and solar water pump accounts for 1%. 

A wide variety of screw pump options are available to you, such as high pressure. You can also choose from standard screw pump, as well as from diesel screw pump

There are 37,067 suppliers who sells screw pump on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and Taiwan, China, from which the percentage of screw pump supply is 1%, 98%, and 1% respectively.