TengFei International Co., Ltd. (Shenzhen Shengjiaying Technology Co., Ltd) established in 2000 is a professional power bank manufactory, which specialized in researching, developing, producing and marketing of power banks, phone charger, portable power bank, unique design power bank and universal power bank as a gold supplier more than 5 years in Alibaba,we always provide the BEST quality and service ,competitive price and trusted customer experience . We also focus on digital camera ...