美国BTX   
美国BTX公司自1983年成立以来，以电穿孔仪、电融合仪为主要产品。不仅为全球在此领域的研究者提供了BTX专业产品，而且拥有多至25种的配件。包括：电穿孔、电融合、活体导入配件等等，成为全球唯一专业的转基因、电融合、活体转基因仪及配件的生产厂家。
2003年BTX成为美国Harvard Apparatus子公司。Harvard Apparatus公司成立于1903年，具有百年历史，经营上万种专业产品。特别是在细胞生物学研究领域，从而更加完善了BTX产品系列。　
BTX是第一家生产高质量电穿孔仪器的生产厂家。　
BTX公司开创了许多在电穿孔、电融合、转染、转化等方面的最新产品和技术。秉承强大的创新和发展传统，公司推出了最新电穿孔技术——多孔板电穿孔系统!公司的专业技术可提供5000多篇全球公开发表的文献及600多个protocols实时在线网上，供全球的研究者参阅。
 
Since 1983, demanding researchers worldwide have made BTX products their choice for critical electroporation and electrofusion applications. Along with several leading electroporation and electrofusion systems the BTX product line includes over 25 related accessories, including a multitude of specialty electrodes, providing many more choices than any other manufacturer of electroporation products. All BTX products are available through our vast worldwide distributor network.

In addition to product information, this BTX website contains an extensive technical database providing a convenient service to the scientific community. It contains information on over 5,000 references and access to more than 600 electroporation protocols. All technical information is available free of charge.

As of January 31, 2003, Harvard Apparatus (a division of Harvard Bioscience) acquired the complete BTX line of products. Since 1903, Harvard Apparatus has provided a wide range of scientific research equipment. Today, Harvard Apparatus offers many exciting products for cell biology research including temperature controlled microscope stages, perfusion equipment, imaging chambers and micro-injectors that complement the BTX product line. Now, this same great line of BTX products is available from the oldest and most trusted name in Bioscience, Harvard Apparatus. For more information on Harvard Apparatus visit:

We believe the merging of the BTX equipment line into the Harvard Apparatus product offering will provide researchers with many new, innovative and proven products to help advance their scientific research.