Shenzhen Wannengda Technology Co., Ltd.
Shenzhen Wannengda Technology Co., Ltd. (also known as PSOOO) is a Shenzhen-based power bank and portable energy manufacturer founded in October 2012. The company operates its own factory in the Bantian district of Longgang, Shenzhen, and specializes in solar power banks, mobile power banks, jump starters with air pumps, UPS power supplies, hand-crank camping lanterns, and high-capacity laptop charging stations. Wannengda markets primarily through the Alibaba International Station under the PSOOO brand, and offers OEM/ODM services with comprehensive certifications including PSE, UL, CE, RoHS, FCC, MSDS, and UN38.3. With over a decade of industry experience, the company supplies global e-commerce sellers and outdoor/automotive brands across North America, Europe, and emerging markets.
Supplier profile
Location: Shenzhen, Guangdong
Established: 2026
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Products
- Solar Power Bank
Solar Power Banks
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