The international organization is promoting the standardization of medical equipment to improve global healthcare.

standardization 是动词 standardize 的名词形式，由词根 standard（标准）加上后缀 -ize（使...化）变成动词，再加上名词后缀 -ation 构成。standardization 指"使事物符合统一标准的过程"，即"标准化"。