Spacers And Concrete Block

339 spacers and concrete block products are offered for sale by suppliers on Alibaba.com, of which building blocks accounts for 16%, brick making machinery accounts for 11%, and formwork accounts for 1%. A wide variety of spacers and concrete block options are available to you, such as graphic design, total solution for projects and 3d model design.You can also choose from concrete, aerated concrete spacers and concrete block,as well as from apartment, hotel, and outdoor spacers and concrete block,And whether spacers and concrete block is solid, {2}, or {3}.