We, Hebei Color Season Metals And Minerals Import And Export Co., Ltd., have dealt in the vermiculite business with many developed countries including Japan for more than 10 years. From 2003, we make full use of the good characteristics of vermiculite and bend ourselves to the research and application about heat insulating, heat retaining, sound insulating. We have correlated with the well-known domestic and foreign enterprises and research institutes, after continuous effort, we have developed a new kind of environmentally innovatory natural material----vermiculite boards in 2005. At the end of this year, Hebei Vermiculite Product Co., Ltd. began to be established, which has the ability of producing 1,000,000pcs vermiculite boards used in construction and 3,000,000pcs vermiculite section..