Shenzhen QR Lock Co., Ltd. is a high-tech company, which focuses on design and product development, including production, sales, training service. QRLOCK located in Longhua, Shenzhen. With the core strategy of “high-level starting point, high-level development”, has been ...

Shenzhen Penghui Investment & Development Co.Ltd, is a high-tech enterprise specializing in door lock systems products development, production and export. Penghui&＃39;s business range covers digital smart locks for hotel / home /business series, mechanical hardware locks; lockbody; ...