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No Company News！ 　 　 Welch Materials Inc. is a US-based manufacturer of hi-tech materials, with a wholly owned subsidiary, Yue Xu Materials (Shanghai) Inc. in China. Welch Materials, Inc. was founded by several Ph.D. scientists from top universities such as MIT, University of California at Berkeley. Welch Materials, Inc. focuses on research and development of value-added hi-tech consumable products for life science, pharmaceutical, chemical, environmental, and semiconductor industries. 　 　 　 WelchromTM Packing: XB-C18 ColumnCatalogNumber: Ult5B18425 Column Dimension:4.6×250 mm Silica Diameter:5 μm Price: $395 XB-C18 AQ-C18 XB-C8 　 　 XB-Phenyl XB-CN Products list WelchromTM XB-Phenyl High surface coverage and exhaustive double end-capping Excellent for aromatic, polar compounds and difficult pharmaceuticals Different selectivity to XB-C18, XB-C8 and XB-CN Exceptional batch-to-batch and column-to-column reproducibility Available in dimensions from analytical to preparative for all sample sizes

	Copyright © 2007 Welch Materials Inc. All Right Reserved Address: 3472 N Chatham Road Ellicott City, MD 21042                U.S.A Tel: (410)988-2362    Fax: (410)988-2276