One of them is a multistage carborundum (silundum) separator, capable of simultaneously assorting five kinds of carborundum. Its operational capacity is seven times higher than the existing one.

Another is a stone grinder, capable of simultaneously processing four balusters with one motor. This new machine helps increases production capacity more than eight times with reduced consumption of electricity by half as compared with the existing grinder.

There is also a synthetic chamfering machine.

Stones processed by those machines are very popular among users for their high quality.