About product and suppliers:
            9,756 precast concrete panel products are offered for sale by suppliers on Alibaba.com, of which board making machinery accounts for 42%, sandwich panels accounts for 16%, and formwork accounts for 2%. 

A wide variety of precast concrete panel options are available to you, 

There are 9,739 suppliers who sells precast concrete panel on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Vietnam, and India, from which the percentage of precast concrete panel supply is 99%, 1%, and 1% respectively.