Colluck Co. Ltd. started manufacturing electronic products
in 1981. We 100% own our Shanghai factory (ISO9001-2000
approved), and can provide product development and
manufacturing services with better price, better quality and
better after sale service.

We are professional makers of testing equipment, various testers
and detectors, such as digital and analog multimeter, and
digital and analog panel meters, etc. We made over 1.5 million
testers each year...