Masan High-Tech Materials announced an expansion of its Nui Phao mine and Nui Chiem area, potentially adding 115 million tons of tungsten-polymetallic resources as the company seeks to attract foreign investors and establish a stronger foothold in the global critical minerals supply chain.
Source: [Bloomberg Markets](https://www.bloomberg.com/news/articles/2026-06-22/masan-plans-tungsten-mine-expansion-as-it-courts-foreign-capital)