Shenzhen Handar Optical Technology Co., Ltd is a hi-tech enterprise specialized in manufacturing fiber optical communication and CCTV(security monitoring) products, established many years ago. We gained a rich experience in fiber optical communication industry as well as a professional and excellent team which built to providing excellent services to all our customers.HD has been focusing on researching and manufacturing in optical communications and CCTV devices including media converters, video converters (CCTV),SFP module EPON and Patch cords etc. The valid communicating distance of our media converters is up to 120KM from 2KM with double fiber optical port or Bi-Di or single port or 4 fiber optical port available as well as SNMP managing system.     We  manufacture various optical media&video converters&transceivers for years here in Shenzhen China with high quality and competitive price.Customization and ODM&OEM are also available.Essential certificates acquired such as CE,FCC,ROHS etc.POE media converter&HD POE SDI Video converter of which the prices are pretty competitive since they are on promoting stage.     Contact me,let's talk details.Looking forward to the establishment of our collaboration.