"WHY eBay ALLOWING TO SELL SUCH CHEAP CHINES DUMPED DEAD ITEMS ON ITS PLATFORM THAT TOO ON ITS FRONT PAGE ????? "
As long as buyers continue to buy these products and not file the proper reports against the sellers, the sellers will continue to sell.
If you need to know where an item was manufactured, as the seller. If they refuse to tell you, don't buy the item. Ask all the questions you want to know about the product prior to bidding. If the answers are not satifactory of if the seller doesn't respond, find another seller.
As buyers, we must take responsibility for our own actions. We cannot expect others to do it for us.