Shenzhen HHD Technology CO., LTD which is focus on intelligent lock and locking solutions since 2009.We offer a wide product range of intelligent locks in meeting the different operation needs, including the GPS padlock, Oil valve lock, Bluetooth padlock, Fingerprint lock, QR code lock, Container door lock and Temperature tag etc.The companys products are self-developed and designed by our professional team, meanwhile combine with more than 9 years productions experience we can offer the customers one-stop customization services!Professional equipments, strict quality system(IQCQAQCISO9001:2008)to meet international standard and compliance. Strategic business operations and partners covering India, the United States, United kingdom, Switzerland, Africa and the Middle East. In these countries, who are widely used in applications of the petrochemical industry, customs clearance, logistics distribution, power control, financial security, coal transportation etc.Our "Security Online" platform cover logistic/petroleum transportation and security etc fields. Combine with smart sensors(Temperature,liquid and radar etc.), we provide OEM/OEM customized solution service for energy chemical, health care, electricity, finance, insurance, customs operation, transportation management and logistics etc. Industries.We insist customer value is the first; continuous innovation and rapid response is our core competencies. We develop products based on customers demands, to provide convenient, reliable quality and best customer service, and reduce customer costs.