Shenzhen Kingstar Industrial Co. Ltd. 1. Company profile Shenzhen Kingstar Co., Ltd is a professional manufacture in Electronic product, like bluetooh wireless speaker, LED waterproof speakers, bluetooth headset, tws earbuds, bluetooth wireless earphone headphone headset, power bank, power station,

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10: 48 Locsmart IoT Technology (Suzhou) Co., Ltd. Has been working in the field of location IoT for 14 years, with full-stack location IoT capability from indoor to outdoor, from meter level to centimeter level. The research team LED by postdoctoral and postdoctoral researchers in the field of

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