January 31, 2025, Rajamangala University of Technology Isan, Sakon Nakhon Campus, led by Asst. Prof. Dr. Chaweng Saraklong, Vice President of Sakon Nakhon Campus. Organized activities to develop entrepreneurs with sales skills and communication in English, 1st time under the project Upgrading natural indigo dyed fabric to a national export industry to connect the identity of local wisdom to the development of clusters at the Special Economic Corridor level. Fiscal year 2024 between 31 January - 1 February 2025 at the Office of the Dean of the Faculty of Industry and Technology (Building 10). The purpose of this activity is 1. To develop sales and communication skills in English for local entrepreneurs in the natural indigo dyed fabric industry. 2. To upgrade the natural indigo dyed fabric industry to be able to expand the market for export nationally and abroad. 3.To promote the connection of local wisdom with the development of special economic clusters in the area. 4. To strengthen the branding and marketing abilities of local entrepreneurs in English. In this activity there is various practical training including: Vocabulary necessary for textile and natural indigo work, developing skills in selling natural indigo dyed fabric in English, and preparing English information for Profile Branding with expert speakers by Professor Penkhae Wongsuriya and Mr. Sitthinon Sarimat. This activity received the attention of entrepreneurs and those involved in the natural indigo dyed fabric industry. They can use the skills they have gained to develop their business and expand the market both domestically and abroad. The activity not only strengthens English language skills in business communication. But it also helps entrepreneurs be ready to build brands and develop unique products to be known internationally.