功能模塊  製造商、經銷商、供應商

GRT(Beijing Guangruntong Technology Development Co., Ltd.) is headquartered in Beijing Zhongguancun Hi-Tech Park and began in April 2008. GRT has gathered a group of senior R&D personnel with an average age of more than 15 years. Under the background of the rapid development of the optical fiber industry and the optical fiber to households, GRT has always adhered to the strategic principles of quality and innovation, and has gradually grown into a high-tech fiber optic company that is currently well-known in China, which integrates R&D, production and marketing, and has its own intellectual property and its own brand.
The main products of GRT are Optical Fiber Network Cards, Optical Fiber Modules, WDM devices, Optical Converter, Optical Fiber Patch Cord, and Optical Splitter. All kinds of products have passed international certification such as FCC, CE, and ROHS, as well as national industry certification, and have won a number of scientific and technological progress awards and excellent product awards. On the road ahead, GRT is committed to building China's own national enterprises, achieving the goals of "Optics Links The World, Connects Us Togetcher".

LQ機電一體化係統有限公司是一個位於貝思格海姆的中小企業，作為一個成功的係統和產品供貨商，它針對控製技術和裝備技術提供機電一
體化的成套解決方案。無論是模塊化控製櫃還是能源管理係統，對於機電一體化專家來說減少問題的複雜性都是第一位的。以標準化接口的模塊化原則為基礎，LQ公司把單個的構件組合在一起，形成緊湊的功能部件或者完整的子係統，從而為機械與設備製造業提供成套的機電一體化裝備。公司在3 大洲共有280 名職工。
除了德國總部之外，LQ集團在瑞士、美國和中國都設有分公司。

WareX Technologies - an innovative and competitive supplier of networking connectivity and infrastructure solutions for LAN, MAN, FTTX.. applications.
Backed by strong engineering and manufacturing backgrounds, WareX was established to deliver the quality and reliability to the marketplace and customers with cost effective solutions including:
• Active Pluggable Transceivers
• Active/Passive Copper Cables and Active Optical Cables
• Fiber Media Converters
• xWDM Mux/Demux/OADMs
• MPO/MTP Cabling
• Networking Accessories