... the best insulation performance,with average density, hardness, strength of the highest uniformity ,products can be turning, milling, planing, grinding, drilling, cutting ... . Now we have got approval of ISO9001:2000,and got many certificates like CE ,SASO,SGS and so on ,our insulation products have ... -2000; ISO14001-2000,SGS;ROHS;SOSA Standard widely used in all kinds of kilns ceramic fiber board