Shenzhen OPY technology is one innovation technology company focused on 3D Printer filament and solar fridge.Main Product:1. 3D Printer filament2. DC refrigerator3. DC freezerAdvantage:1. CTO: more than 15 years experiences in home appliances.2. Reliable supplier chain: high quality parts manufactured by shareholder's factory.3. Customize ability for special order.4. QA: Strict quality control process.5. Deliver time: fast stock and high effective manufacuture arrangement.6. Service: response within 24 hours. 7. Professional: staffs from top 500 company. Welcome to contact us!Hope to cooperate with your esteem company!