TopDir - top sites directory

TopDir is a human edited web directory with various categories, a collection of hand-picked web resources for visitors

TopDir offers free website promotion for webmasters and website owners. Relevant search results and many categories for adding and promoting websites. Free web promotion for websites at TopDir directory. Submit your url for review. A collection of hand-picked web resources for visitors. This page is focused on one particular aspect of World, Chinese Simplified, 科学, 仪器与供应, 实验室设备.

这个类别的其它语言版本：

英文 (1,308) 德文 (116)

» 上海中胜科教设备有限公司 - 主要开发生产医学模型仪器，经营代理国产进口医学仪器、实验仪器、人体检测仪器。

» 上海和杰科技有限公司 - 实验分析系统销售和维修供应商。业务包括生物、化学、医学、生命科学领域的仪器、耗材销售，相关的分析测试服务、仪器维护和维修服务。

» 上海大普仪器有限公司 - 生产自动电位滴定仪、酸度计、离子计、电导率仪、全自动卡氏水份测定仪、ORP测定仪和实验室通用配械。

» 安来科技 - 开发、生产、销售动物自身给药、辨别实验等操作行为学实验装置。

» 实验室信息网 - 面向各级实验室提供信息。

» 广州东之旭试验设备有限公司 - 设计和生产实验室仪器和耐气候环境试验设备。

TopDir is a human edited web directory with various categories. Our mission is to organize theme based websites and remove the clutter from the information. We strive to provide context based website results to our visitors. This directory is an evolving one and we regularly add new categories, if there is a necessity. Members can suggest new categories and websites for inclusion. This is one stop promotion site for webmasters and website owners. We invite you to browse the categories and suggest your website url for an editor review. This page is focused on one particular aspect of World, Chinese Simplified, 科学, 仪器与供应, 实验室设备.

Help build the largest human-edited directory on the web. Soumettre un site - Open Directory Project - Devenir Editeur

Web directories list the websites by theme. The links in a web directory are collected, edited and organized by humans. Yahoo and Dmoz ODP(Open Directory Project) are considered as the best human-edited web directories on the Internet and they are one of the most trusted and relied traffic sources. Since these directories get thousands of submissions every day, it is sometimes difficult to get listed in them and your URL may take a long time to be reviewed and listed. Generally good directory listings give a surprise boost to your link popularity.