Ningbo Shengyang Power Supply and Electric Appliance Co., Ltd. is a professional manufacturer of sealed lead acid batteries, usable in such applications as in emergency light and security systems and so on.
In order to ensure our products meet international standards we have purchased state-of-the-art equipment for scientific research, production and testing. In addition, as it is our concern with meeting such international standards, we have invited inspection co***nies to our plant and are able to...
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