shengyi technology co., ltd.-小9直播体育免费直播下载ios

about sytech

shengyi technology (hong kong) co., ltd. was established in september 2006. it is a wholly-owned subsidiary of shengyi technology co., ltd, which is, in particular, to provide more excellent and precise business promotion and technical services to customers in hong kong. main products include fr-4 ccl and prepreg, fccl, composite epoxy material, aluminum base materials, hsd base material and rf base mateterial.