This is a company that produces professional water proofed metal detector in China mainland. Our leading producer with many years experience of producing the series MD3009 and MD3010 big Shanghai area China. The two detectors are produced advanced technology mainly used for searching gold or ...

Pearmain is the logo and brand of electronic co. Ltd, we are a group focus on surveillance system product development, manufacture, sale service. High-technology-orientation world-grade-matrix-production make pearmain at leadership position in industry. We have modern factory 100000 ...