The Sungzu portable storage box is derived from repeated analysis, discussion and verification by the company’s R&D team. For every detail of the product, we have strict requirements. In order to achieve the ultimate product quality, the R&D department simulates various harsh environments and conducts repeated tests on high temperature testing, low temperature testing, vibration testing, and battery cycle testing. The production process ranges from battery sorting and pairing, battery processing to complete machine assembly, and overall aging testing. Strictly implement the ISO9001 international quality system standardization production.
We are not just a simple manufacturing, but a combination of innovation, technology and security.
It brings user’s safety and comfortable experience with its unique features.