About product and suppliers:
            1,393 crude oil refinery products are offered for sale by suppliers on Alibaba.com, of which oil pressers accounts for 55%, machine oil purifier accounts for 30%, and other fiberglass products accounts for 1%. 

A wide variety of crude oil refinery options are available to you, 

There are 1,392 suppliers who sells crude oil refinery on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Sri Lanka, from which the percentage of crude oil refinery supply is 1%, 96%, and 1% respectively.