TOPWIN Smart is a specialist in producing for technical/ mobile promotional gadgets, majority in usb sticks, USB hub, wireless charger, wireless speaker in Shenzhen City, China.
The factory also offer custom-made service, such as the PVC personalized usb hub , OEM bluetooth speaker and powerbank, as well as plastic or metal moulded designs with branded/ logo imprinting, packaging.
The factory owns the printing workshop for Silkscreen printing and transfer printing; we also offer UV printing, lase...
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