Hangzhou Wintek Building Products Co, .Ltd.

Hangzhou Wintek Building Products Co., Ltd. is based in China and lists smart wall switches on Global Trade Plaza. One product is a Wi‑Fi wall light switch for home automation that replaces traditional switches without extra wiring; it uses a crystal‑glass panel with a flame‑retardant PC base, an MCU chip, and 2.4 GHz Wi‑Fi (IEEE 802.11 b/g/n) for control via Android or iOS apps. The other product is an app‑controlled light switch (model MSS510) that complies with US/CA wall‑switch regulations, requires a neutral wire, connects to existing 2.4 GHz Wi‑Fi without a hub, and works with Amazon Alexa and Google Assistant for voice control, scheduling and remote operation.