Proton’s Tanjung Malim engine plant to expand to 400,000-unit capacity by 2028 News June 25, 2026 Fareq Irfan The Proton engine assembly plant in Tanjong Malim, which opened in 2022 with an investment of up to RM1.8 billion, is set to be a key driver of the national carmaker’s future growth. The plant has undergone an RM121 million expansion, which ...