About product and suppliers:
            4,062 plastic support block products are offered for sale by suppliers on Alibaba.com, of which blocks accounts for 17%, brick making machinery accounts for 4%. 

A wide variety of plastic support block options are available to you, such as plastic, foam. You can also choose from abs, pp, and pvc plastic support block, as well as from japan, united states plastic support block, and whether plastic support block is easy to operate, low noise level, or long service life. 

There are 3,260 suppliers who sells plastic support block on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and Vietnam, from which the percentage of plastic support block supply is 1%, 97%, and 1% respectively.