Mason Group Sangkareang
Sangkareang Mason Group was founded by masons and supervisors that formerly worked at LSDM, an intitution that became BIRU partner until 2013.
In 2014, Sangkareang Mason Group has a target to build 100 units of biogas in North Lombok, West Lombok, Central Lombok and Mataram City. However, Sangkareang Mason Group is ready to work in other areas on the Lombok Island, if there is any request.