Shenzhen CY Communication Product Co. Ltd has been business in local and international market, specializing in production and marketing of fiber communication products and accessories, system integration (SI) and network layout. Our company has been manufacturing and business in fiber optical communication products, such as all kinds of Fiber Optic Patch Cord, Optic Fiber Adapter, Optic Fiber Pigtail, Optic Fiber Attenuator, Passive devices: Optic Fiber splitter, coupler, (D) WDM, collimator, isolator, etc. and Layout products: optical cable joint closure, optical cable terminal box, high density ODF, etc.