Royal Medic is a well-known traditional Chinese medicine and health supplements brand in Hong Kong. Brand appoints View-in team to develop instant redemption campaign with chatbot program on its Facebook fan page. Customers can leave a specific word in the comment section under the campaign post to start a conversation with the chatbot. They can know more about the product or redeem the coupon immediately via the chatbot. This post and chatbot successfully become a hot topic among the customers and boost product sales.