As an Innovative technology enterprises, Charmfox has a vigorous, high-quality, professional R & D team. The R&D team has abundant experience, professional design and development abilities, also have a deep understanding and practical experience in the development of the Li-ion battery consumer electronics industry, can fully satisfy customers' product design and development in power bank, power station and battery pack. Charmfox also provides customers with a full range of pre-sales and after-sales technical support to help customers enhance product value. Due to the active innovation of the R&D team, more than 30 national-level authorized patents have been obtained in recent years, includes invention patents, utility model patents, design patents, and foreign patents.