Shenzhen HRD Science & Technology Co., Ltd. is a large professional UPS manufacturer in Shenzhen China. HRD UPS is committed to providing high quality products and thoughtful services to meet diverse customers' requirements. With the same diligent customer-oriented spirit, HuaRuiDi is dedicated to continuously designing, manufacturing, marketing and introducing a complete line of UPS, inverters and power products to the demanding power market.