China Grass Stone Mould Factory Directly Supply. Grass Stone Mold is mainly used to manufacture various types of Grass Stone Mold prefabricated building blocks. Grass Stone Mold size is generally around 250*250300*300. This relatively simple and exquisite Grass Stone Mold is not only conducive to production by employees, but also conducive to transportation, saving labor in the paving process. Grass Stone Mold is used to stabilize concrete and promote the formation of required concrete precast blocks. The development of Grass Stone Mold reasonably and effectively replaces the simple concrete structure of the past, which is beneficial to the needs of urban management and highway construction.