285 recent reviews on Amazon.com were negative. They appear to be suspended. Data updated on .
chengdah no longer has any products listed for sale, based on this we assume that Amazon.com has taken action and very likely suspended them. Reading most up to date reviews will have more details about customer frustrations.
If you have already placed an order, but since realized that your product is likely never going to come try contacting the seller on Amazon.com. If the seller is not replying, read on what to do if you were scammed.
Placed an order, received numerous emails that there was a delay, and eventually Amazon indicated that if it wasn't shipped by a certain date (long, long after it had been ordered) the order would be cancelled. Item never shipped. Order cancelled.
Seller canceled the sale--didn't want to deliver
Package was never shipped after weeks
Order never arrived. Amazon did not charge me for order.