This thesis is aiming at finding a solution for the manufacturing company IRO AB in Ulricehamn, Sweden to communicate the changes that are made in processes and products of the company to its Chinese subsidiary company IWTC. The company wants to have a system through which any change and improvement happened at one company is communicated to another one in order to exercise the same changes at parallel processes that are running at both companies. To solve their problem and to find an effective solution, first current situation regarding change processes at the company is examined to make sure that all changes and improvements made at the company are registered in a structured way. Then different communication channels existed between two companies is reviewed to find out the possibilities and capacities of the company. This thesis focuses on using the ERP system as a communication tool at both companies IRO AB and IWTC through which all the changes can be registered and communicated in an effective, fast way. This capacity in ERP systems is found out through a comprehensive study of this concept and its characteristics that has been done in this research.