Established in 1998, Joinwit Optoelectronic Tech.Co.,Ltd is a Sino-US joint venture company which specializes in R&D, manufacturing and selling fiber optic test instruments and passive components to domestic and overseas market.

Fully compliance with ISO9002 certificate, Joinwit provides broad range of high quality products, which including Coupler Workstations, Light Sources, Power Meter, Multi Meter, Visual Fault Locator, Cable Break Locator and full spectrum passive components such as Connectors, Adapters, Patchcords/Pigtails, Couplers/Splitters/WDMs, Attenuators and so on, to her more than 200 regular customers at home and abroad.

"Zero Defect, Zero Refusal" is the ever-lasting pursuit of Joinwit which is always trying her best to all customers' demand. Joinwit can also meet some specific requirements from her strategic partners in desiging, prototyping and mass production, based on her rich experience and expertise in fiber optic test instruments and components.