The company’s main products are fiber optic engineering instrument products (such as optical power meter, PON optical power meter, light source, optical time domain reflectometry (OTDR), visible laser light source, optical multi-meter, optical fiber identifier, photo phones, cable fault locator, digital adjustable optical attenuator), desktop instrument products (desktop optical power meter, various desktop stable light source, multi-channel integrated tester (including PDL test function), insert loss tester, ASE light source), optical passive components product (such as coupler, connector, adapter, attenuator), fiber optic cable cleaning, construction and repairing tool products (optical fiber stripping pliers, rubber-insulated pliers, electrode bar, blade, red light source).