We are a factory based in Shenzhen, China. In order to better serve the majority of international customers, Shenzhen Hejia Technology Co., Ltd. was specially established in 2019 to carry out foreign trade business. We are specialized in computer, mobile phone, electronic and other products and peripheral products research and development, production, sales and service. Our products include outdoor portable power supply (power box), outdoor portable solar Bluetooth speaker, PCBA, power box accessories (shell +PCBA, Type-C box +PCBA, Type-C data cable +PCBA), OEM SMT services, etc. Our advantages : 1. The company has more than 150 employees, with its own R & D team, QC team, ID designer, 6 SMT production lines, power train production lines. We have been one of the leading manufacturers of the most professional OEM/ODM portable power supplies (power packs). 2. Innovative and stylish design. Own our own copyright. All designs for our power packs are copyrighted by us (patent number). 3. Strong SMT R&D and production capacity. We have experienced engineers to develop and design our products, enabling us to satisfy customers on all OEM/ODM projects. 6 SMT production lines, can develop and produce all kinds of PCB for customers. High performance batteries. The batteries we use are strictly tested by our partners, and we reject any fake capacity and low quality materials. High performance/cost performance is one of the main characteristics of our products. 4. Guaranteed pre-sale and after-sale service to solve customers' questions and problems about the quality of our products and services. This is the principle of our company, but also a solemn commitment to customers. We are committed to providing our customers with high quality products and the best service. Customers care about quality, not low price is our goal. Underpriced products always manifest themselves as poor quality, poor performance, or false capacity (power supply), which is harmful to customers and our reputation. Let's work together for a long term good business!