Most of them are charged by the number of words. The standard retouching is usually 0.45-0.6 yuan/word and the advanced retouching is 0.8- 1 yuan/word. The submission period generally ranges from 5 to 7 working days, and the shorter the time period, the higher the relative price. Of course, there are also a few organizations that charge according to how much per thousand words.

Medical sci papers are more expensive to polish than papers from other disciplines because of their high technical terms, large amount of data and great professional difficulty. Moreover, the cost of publishing medical papers is higher than that of papers in other industries (as is the case with domestic journals).

The grinding cost of sci papers is influenced by many factors, such as different disciplines, different languages, different grinding institutions and different regions. And the cost of polishing sci papers is also high or low. There is no uniform charging standard at present. If you want to know the cost of language polishing for sci papers, you can send your paper direction and number of words to international sci-tech editors for online editing, and they will estimate the cost of language polishing for customers according to the paper situation. Moreover, their editors are all native English experts with doctoral degrees and related professional backgrounds. Every article written by China will be submitted to the native English editor for revision.