As a result of the growing abandon of traditional advertising approaches, luxury brands are strategically focusing on social media marketing influencers for product and services’ endorsement through daily narratives (Abidin, 2016; De Veirman et al, 2017). Nowadays, social media are an integral part of marketing and advertising. The use of social media sites as twitter, facebook, instagram etc has started to be a part of the luxury fashion brands « advertising » campaign and has shown a valuable opportunity for luxury fashion brands to position themselves in new markets. Social media, in their being a two-way platforms for communication by allowing users to interact with each other (Kim and Ko, 2010) and share information but also with influencers, may represent a fundamental tool to increase customer awareness and improve customer relationship in particular in China. This study aims at exploring and analysing how a Chinese social media became the main trend setter for luxury fashion brands in China and how its influencers played a key role in reinforcing customer relationship for the luxury fashion market in China. The study focus will be on the main Chinese social media platform for luxury fashion, Wechat, and the role of influencers in increasing Chinese luxury customers’ brand awareness and relationship. Through the study of the social platform and its SMM – social media marketing – influencers’ and advertising followers, the article will analyse and provide the success factors for Wechat social media platform in positioning itself as the most influential SMM platform for luxury fashion brands in China.