欧洲精品一区二区三区_欧美性性性性_国产一区二区免费在线播放_日日噜噜噜噜人人爽日本精品_无套中出丰满人妻无码_国产偷窥熟女精品视频大全

上海知信實驗儀器技術有限公司專業生產離心機、智能恒溫循環器、冷卻水循環機、小型冷凍干燥機、中式型冷凍干燥機、層析實驗冷柜、雪花制冷機、專用小冷水機、循環水真空泵等實驗室設備，是集設計、制造、產品開發、研制、銷售與服務為一體的現代企業。并廣泛應用于生物制藥，衛生防疫，環境保護，農業科研等領域。

Shanghai Experimental Instrument Technology Co., Ltd. specializing in the production of centrifuge, intelligent constant temperature circulator, circulating cooling water machine, small freeze drying, freeze dryer, chromatography experiments freezer, snow ice machine, electrophoresis special small cold water machine,circulatng water pumps and Other  laboratory equipment, is a modern enterprise specializing in designing,designing, manufacturing, product development, development, sales and service as one of the . And widely used in pharmaceutical, health and epidemic prevention, environmental protection, agricultural  scientific research .