Shenzhen, Guangdong, China,
Shenzhen QR Lock Co., Ltd. is a high-tech company, which focuses ondesign and product development, including production, sales,training service. QRLOCK located in Longhua, Shenzhen. Withthe core strategy of “high-level starting point, ...
qr code lock, mart locks, smart cabinet locks, energy saving switch, room status display numbers and so on.
