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Shenzhen JNJ Technology Co. Ltd is a professional factory that integrates design, R&D, production and sale in one roof and focuses on portable power banks, digital camera batteries, chargers and Bluetooth speakers. We have a professional team which is a combination of all professional engineers. And we have gained a very good experience because of our technical knowledge. For the production equipment, we have three automatic production lines, electric welding machines and auto filatures, high function white...
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