Dear Purchase Manager Glad to contact you. We find your esteemed company from the internet and we would like to take the opportunity to introduce ourselves as one of the leading suppliers of Vermiculite and Chemicals in China. Our Vermiculite comes from the mines located in Heibei Province and Xinjiang Province China. Our products include crude vermiculite flakes and exfoliated vermiculite of various sizes, such as 0.3-1mm/0.7-2mm/1-2mm/2-4mm/1-3.5mm/3-5mm/3.5-8mm/8mm or as per customers' request. To learn more information, pls do not hesitate to contact me. Best regards Mabel Yu (Ms.)emai(MSN): xxxxxmobile: 0086-13455-202043