JUMBO HK Technology Limited is a professional manufacturer and exporter with more than 10 years experience in the field of fiber optic products and other communication equipment items.Products are more than 500,000 pieces per month.Our products includes: fiber optic patch cords,fiber optic adapters, fiber optic attenuators,fiber optic splitters, ODF(Optical Distribution Frame), which optic fiber are widely used in telecommunication, highway,intellectualized plot, campus net, national defense and information construction industries etc.JUMBO has acquired ROSH Certification.Our products has been exporting to many countries in the world and get good feedbacks from our customers, such as NEOPHOTONICS,FIBERXON, DELTA, JDSU etc. Guided by the ideology of “win-win cooperation”.Our advantage1. Quality product2. Competitive price3. Custom made products4. Fast delivery with bulk order5. Low cost International shipping