Global chromatography innovator in R&D, manufacturing, and solutions.

Welch Materials, Inc. (founded 2003) is an integrated chromatography and separation technology enterprise serving biopharmaceuticals, food safety, fine chemicals, and environmental monitoring. Welch designs and manufactures columns and packing materials under brands including Ultisil, Xtimate, Boltimate, and Welchrom. The company holds 58 patents, with 19 column models in the USP-PQRI database, 96 bonded phases in USP-Chrom Columns, and products recommended in 13 test items of the 2025 Chinese Pharmacopoeia. With R&D and production sites in eastern China and marketing centers in Shanghai, the U.S., and India, Welch provides global technical support, logistics, and customer service to accelerate method development and deliver chromatography solutions.