Shanxi Black Granite is one of the most popular black granite original from China. It is also called Absolute Black Granite, Pure Black Granite .Shanxi black granite mostly used in making high-end kitchen countertops, gravestones, and tombstones. It is o
Packing Mall molecular sieve Type 13X can be regenerated by either heating in the case of thermal swing processes; 13X molecular sieve is also known as the molecular sieve with a pore size of 0.9 nm.