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Shenzhen Theone Electronic Co., Ltd established in 2009, located in Shenzhen of China. Covered 12000 Square meters and 400 skilled workers. We have a strong D&R team to provide a full range of power solutions for 10 years, including notebook power adapters, USB C Power Delivery Chargers, Power Banks, Power Inverters, USB Charger and special OEM and ODM power supplies. We always adhere to the technology as a leader,market-oriented, technical innovation as our purpose.