Shenzhen Yifeichang Technology Co., Ltd. Our company is a professional company that integrates research and development, design, production, and marketing. Our company is a legitimate "Wireless Charging Mobile Power Bank". We operate honestly and wholesale all over the country. We only provide customers with high-quality and high-value products. Sincerely welcome overseas customers and businesses to consult and negotiate for distribution and agency cooperation. Welcome to trade, gift, brand companies to purchase, gift custom, quality assurance, and large quantities are preferred. We also provide mobile power banks for corporate advertising gifts. All sold mobile power banks can provide battery MSDS battery report, UL report, UN383 test report, and maritime transportation conditions certificate. Our company is a legitimate mobile power production factory, because we are focused, so we are professional! We do not blindly pursue low prices, but only provide customers with high-quality and high-value products. Sincerely welcome domestic and foreign customers and businesses to consult and negotiate for distribution and agency cooperation! Welcome to trade, gift, brand companies to purchase, OEM. Quality assurance, large quantities are preferred. We undertake various personalized gift orders for companies, and develop different specifications.Printing and Carving We specialize in OEM custom-made and gift custom-made, and have provided personalized OEM custom-made and gift custom-made products for many brand customers. The product price is the default wholesale price without tax and freight, and if you need to open a bill, please consult the customer service. We specialize in OEM custom-made and gift custom-made, and have provided personalized OEM custom-made and gift custom-made products for many brand customers. The product price is the default wholesale price without tax and freight, and if you need to open a bill, please consult the customer service.