Products & Quality

Yes. Our main product lines carry CE and RoHS compliance, and our factory operates under an ISO 9001 quality management system. CE and RoHS certificate copies are available on our Downloads page; full documentation can be provided with your shipment or on request for your customs clearance.

All CHINYOO instruments come with a 12-month warranty against manufacturing defects. If a unit fails within the warranty period under normal use, we will repair or replace it. We also provide technical support by email for troubleshooting and calibration questions.

It depends on what your customers will measure. A good starting point is the display count (1999 / 4000 / 6000 counts) and the functions you need — voltage, current, resistance, capacitance, frequency, temperature, NCV, backlight, etc. Browse our Products page and use the filters to narrow by display count and features, or send us […]