Terio Corporation is exporting: Niobium Oxide, Tantalum oxide, The particle size, assay, content of impurity can be as your requirement. Terio Corporation has more than ten years producing and exporting electronic and ceramic chemical materials, which owns one headquarter, one R&D division and 5 subsidiaries. It qualified ISO9001 and ISO14000. If you are interested please feel free to contact with us. Best regards, Mr. Nickle Shang (Sales Department) Terio Corporation 18/F, Huaren International Building, 2A Shandong Road, Qingdao, China 266071 Tel: 0086-532-86069596 Fax: 0086-532-83893695 E-mail: teriocorporation@yahoo.com.cn Alternative E-mail: nickleshang@teriocorp.com www.terio.cn