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About product and suppliers:
            1,966 bis certificate products are offered for sale by suppliers on Alibaba.com, of which lithium ion batteries accounts for 14%, switching power supply accounts for 3%, and power adapters accounts for 3%. 

A wide variety of bis certificate options are available to you, 

There are 1,191 suppliers who sells bis certificate on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Vietnam, and India, from which the percentage of bis certificate supply is 98%, 1%, and 1% respectively.