Yes. It can be sold even if the patent document is not issued. As long as you get the patent acceptance notice and the patent number, you can produce and sell your product. At the same time, a patent number can be stamped on the product, and words such as patented product and counterfeiting will be investigated. According to Article 69 of the Patent Law, if the same product has been manufactured, the same method has been used, or the necessary preparations for manufacture and use have been made before the date of patent application, and the manufacture and use only continues within the original scope, it shall not be regarded as Patent infringement.