As the main manufacturer of energy saving switch-bluetooth door lock, Guangdong Level Intelligent Lock Industrial Co., Ltd. carries out a strict quality control process. Through quality control management, we examine and refine the manufacturing defects of the product. We employ a QC team which is composed of educated professionals that have years of experience in the QC field to achieve the quality control goal.. To establish Level brand and maintain its consistency, we first focused on satisfying customers' targeted needs through significant research and development. In recent years, for example, we have modified our product mix and enlarged our marketing channels in response to the needs of customers. We make efforts to enhance our image when going global.. To ensure that we meet the production goals of customers, our highly skilled service-oriented professionals will be available to help learn the details of products provided at Level Intelligent Lock Industrial . In addition to that, our dedicated service team will be sent for on-site technical support..