About product and suppliers:
            378 longer barrel products are offered for sale by suppliers on Alibaba.com, of which plastic & rubber machinery parts accounts for 2%. 

A wide variety of longer barrel options are available to you, such as thailand. You can also choose from manufacturing plant, hotels, and construction works  longer barrel, as well as from none, egypt, and russia longer barrel

There are 31 suppliers who sells longer barrel on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of longer barrel supply is 100% respectively.