yasong Electronic Technology Co.Ltd is located in Hangzhou Zhejiang China .It a high-tech company specializing electronic and instrumentation products. As well known manufacturer,we have over five years of experience fields, there are several products ...

Established in 1995 are devoting manufacuring police equipment seriessuch as cuff, expadable baton. Recently, underdemand of market,under management mode modern enterprise, with all advantages ofsources, more and products researched developed ...