Laptop AC Adapter (For Dell 20V 4.5A)

Dear Sir,
We are the leading manufacturer of Laptop batteries and Laptop AC Adapters.
we have a full range of products, the replacement Brand Battery just like: Sony, Dell, IBM, HP, Compaq, Toshiba?
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Sincerely Hope we can have a chance to cooperate with you esteem company in the near future.
Best Wishes
Candy