There are not many problems in the grammar, but the meaning of the first sentence is strange, nobody will not be under pressure of work if they get to work overtime?
我是一名来自中国的大学生，正在学习日语，准备毕业后去日本留学。 我可以和你联系吗？ 我认为这是一个好方法，可以帮助我们深入了解和理解中日之间的差异。
I see, this may be the difference between Chinese and Japanese about the working attitude.
I , an university student from China , am learning Japanese to prepare to studying in Japan after graduation. May l have an contact way with you? I think it is a good way, which could help us to find and understand the difference between China and Japan in depth.