国产成人精品高清久久_好姑娘影视在线观看高清_99久久久久久久久_欧美涩涩网_久久国产精品91_9色网站

美國BioSpec 
美國BioSpec 產品涉及均質、混勻、破碎、離心等實驗室領域的小型儀器，價格低廉，性能卓越！
 

BioSpec has been providing innovative scientific equipment for more than 30 years. Many of our products are "firsts" in the industry and the bulk of our products are of our design. We don’t vest heavily in advertising but, rather, rely on promotion through word-of-mouth and methods references in various publications. This allows us to offer quality products at excellent prices. Call or write us if you need sound, informed advice for your application.