Into Sea of Beijing Technology Co.,LTD is located in Beijing,China.We manufacture and provide a very wide range of products. Including: Fiber Optics, Data Communications, Telecommunication, Test Equipments, Tools and Related consumables. Such as: Optical Fiber Fusion Splicer,OTDR, Light source,Power meters,Optical Fiber Cleaver,Optical Fiber Identifier,Optical Talk Set,Visual Fault Locator,PON Power Meters,Optical Loss Test Sets,Variable Attenuator,Fiber optic cable, Patch cord,Connector, Adaptor, Attenuator, Fused coupler, Fiber cleaner, Fiber tools, Network tools etc. Our products cover many application areas, such as network operation and maintenance, communication engineering, research and manufacturing. The customers of the company extend all over main network operators, manufacturers and test labs in China and some in abroad. Welcome to contact us at any time if you have any interest,and we are sincerely inviting you to become our business partners.Our Advantage:> Reasonable price> Good and Stable Quality Products> Perfect Customer ServicesContact Info. Tel: 0086-010-87669287 Fax: 0086-010-87669287-808