According to the drinks business, 

As the world’s most unique fleet of double-decker tramcars in operation, the transportation company, which has their trams made locally, has been keen on launching lifestyle products to echo brand as well as Hong Kong’s art and cultural experiences.

This summer, it has collaborated with local brewery Young Master to create two unique beers that represent the “made in Hong Kong spirit”.

Called Ding Ding Beer, the small batch, limited-edition collab beers boast local flavours through the lens of beer. The green Ding Ding Beer is a versatile and citrusy orange and bergamot pale ale while the red Ding Ding Beer is a refreshing and fruity wheat beer with ginger and osmanthus, according to the brewer.

Read more at source: the drinks business