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Crystal Chem  
美國Crystal Chem是一家研發、制造及銷售高端酶聯免疫試劑盒的公司，其ELISA試劑盒涉及生物和食品領域，主要用于糖尿病及食品過敏原檢測。

Crystal Chem Inc. is a leading provider of high quality life science products. Since the company’s establishment in 1989, we have come to specialize in providing high quality research and diagnostic kits to the scientific community. With over twenty years of experience, Crystal Chem has proven itself over and over again in the marketplace. The company has successfully launched and marketed against firmly established players and has been cited in many scientific publications and recognized journals. In addition, we have developed a valuable network of contacts in the USA and other parts of the world. With this network in place, Crystal Chem is able to focus on the customer and offer high quality products at affordable prices. Crystal Chem’s strengths lay it its service, delivery, flexibility, and customer commitment.