Shenzhen Darongwei Technology Electronic Co., Ltd. is a specialized and experienced manufacturer of portable power supplies, located in Shenzhen, China. Our company has an 8000-square-meter workshop, a professional R&D department, a strict quality control system and a specialized after-sales department. We are committed to sell products of satisfactory quality to our clients. Now our clients are from around the world and we&＃039;ll try our best to continue offering products with high quality but low price to our customers.