Resin is extracted from dipterocarp trees by making a small cut in the tree which is set alight to induce resin flow. Around Mondulkiri Protected Forest, for example, resin tapping is an important economic activity for more than 40% of the people. There usually exists a traditional ownership system of resin trees where ownership is recognized and respected. Aside from liquid resin, solid resin is also collected, although at smaller scales. Solid resin does not have much commercial value at only 1500 Cambodian Riel per kg (ca. 0.13 USD) compared to liquid resin which fetches about twice that amount per litre.

Resin tapping can be done sustainably but carries considerable collateral risks due to opportunistic hunting by collectors, diseases spread by domestic ox and dogs, as well as disturbance due to fire In response, WWF plans  to phase out resin tapping in the core protection zones of its protected areas but will develop schemes to compensate tree owners.. WWF has also implemented educational campaigns spreading knowledge on sustainable practice of resin tapping.