RHT Limited is the leading environmental engineering firm established in 1998. For years we have been discovering and developing technologies which protect environment and human. We turn excellent and innovative technologies into real-life products in order to enhance our living quality. With our solid technology background, backup of professionals, specialists, and the support from university, we are able to convert technology development into real-life products.

Our subsidiary, Acron International Technology Limited is the member of entrepreneurship program offered by the Hong Kong University of Science and Technology (HKUST). We focus on scientific research and development (R & D) in the field of air purification. With our unique company structrue and mature R & D environment, we turn the innovative technology into leading applications and products.


b-MOLA is a brand providing a variety of products specialized for air manipulation. b-MOLA products employs our patented air purification technology in air purification and deodorization, efficient removal of pollutants and odors can be achieved. b-MOLA products can help to deliver a purified and odorless environment.