Yes, the key to collecting the page fee is to find a reliable organization, so there won't be much difference in price. Their service is worth the money. There is a journal editing center in Jinan, Shandong Province. Here's the thing. They are registered in the editorial department of Jinan, Shandong Province, and they are in the form of units, not individual agents. Their publishing fees are uniformly priced by magazines, and they are all transparent. There is no such thing as bargaining will be cheaper. They treat every author equally. It may be said that personal agents can bargain cheaply, but I'm sure you won't be at ease when you post it there. You can't handle any problems in the future. They are all officially registered in the industrial and commercial department here. They promised to publish the article in an official magazine. Once there are fake publications, supplements and supplements, you can complain to the industrial and commercial department.