HEBEI LEE&＃039;S INDUSTRIAL CO., LTD. (Abbreviation: LEESCORP) is one of largest synthetical company （Group）in Hebei province China, and including three affiliated enterprises . We started to produce vermiculite board in 2001. Now our factory has two production lines of vermiculite board. It also has got cutting machines and testing apparatus. Our capacity have achieved 10, 000 square meters per month. In January of 2005, we established a special factory for vermiculite materials.