This is the 4342nd most frequent Chinese word.
建华
"建华" means "to build or establish splendidness" or "to construct brilliance." It is also commonly used as a Chinese given name.
In this sentence, '建华' is used as a proper noun referring to a person's name.
建华是一个勤奋的学生。
Jianhua is a diligent student.
Here, '建华' means 'construct splendid' when split into two characters in rhetoric, indicating the act of creating buildings.
公司正在计划建华新的建筑设施。
The company is planning to construct new facilities.
In this example, '建华' is again acting as a proper noun, serving as someone's name, in a formal context.