<![CDATA[TeFa Creative Engineering produces electronic learning equipment or instrumentation that has been scaled up through an online catalog and has a legal logo and trademark. Commercialization of online marketing as a means of transaction in the digital era is an important attention that needs to be improved. Digitalization has changed life patterns including the way we shop and communicate. One of the mobile applications that can fulfill both aspects is the WhatsApp application. WhatsApp is a social media that has been used by 124 million users because it has features that are easy to use and attractive. WhatsApp business developed by WhatsApp has been integrated with AI through bot agents in its chatbot feature. This feature provides user convenience with the autoreply or autoresponse method offered. TeFa Creative Engineering seeks to design a simple online marketing application that makes it easy for users to shop online for TeFa Creative Engineering products. The implementation of TeFa digitalization on the WhatsApp Business AutoResponse-based ordering and sales system shows a user satisfaction level of 90.5%, while those who expressed dissatisfaction were 9.5% with a total of 21 respondents.]]>
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