Established in 1998, Joinwit Optoelectronic Technical Co., Ltd. Is the Hi-tech enterprise. Who specialized in R&D, manufacturing and selling a full rang if Optical T&M as well as Optical passive components in both domestic and oversea markets.

Joinwit has been awarded ISO9001 certificate of Germen TUV, EMC certificate, ROHS certificate, and Hi-Tech Enterprise Certificate, We also acquired many technical patents on the development and applications in the field of Fiber Optic area. Joinwit instruments are widely used in the Telecom, CATV operator . And we also win the market share in North America, Latin America, Mid and North Europe, the whole Asia and so on.

At present, Joinwit main products include: Fiber Optic Test Instruments: Handheld Optical Power Meter, PON Power Meter, Light Source, Visual Fault Locator, Multi-meter (Loss tester), OTDR, Fiber Ranger, Optical Fiber Identifier, Optical Talk Set, Optical Attenuator; Bench-top Optical High Stable Laser Source, Optical Power Meter, Optical Return Loss/ Insertion Loss Test Station for SM & MM, Optical Components Test Systen, and Bench-top optical Attenuator.

Fiber Optic Passive Components: Optical Couplers,PLC splitters, WDMs, Patch Cords & pigtails,all kinds of fixed and variable attenuators.

Tool kits for Optical Cable Construction and Cleaning Optical Cable Emergency Tools, Fiber Inspection & Cleaning Kits, Cable Inspection &Maintenance Tool Kits, ande FTTx Tool Kits.