Add punctuation: As a professional manufacturer supplier and exporter high quality Video Splitter Our factory insists on principles of continuous improvement quality foremost and sincerity to cooperate with customers both home and abroad We are looking forward to becoming your trusted mould supplier in the near future
A: As a professional manufacturer, supplier and exporter high quality Video Splitter, Our factory insists on principles of continuous improvement, quality foremost, and sincerity to cooperate with customers both home and abroad. We are looking forward to becoming your trusted mould supplier in the near future.

Add punctuation: Some interesting open problems that Johnsons result raises and its historical and philosophical background are also discussed
A: Some interesting open problems that Johnson's result raises, and its historical and philosophical background, are also discussed.

Add punctuation: Using External Mapping Scripts eg guessnet
A:
Using External Mapping Scripts (e.g. guessnet)