NEW DELHI--August 31, 2023--Researched by Industrial Info Resources (Sugar Land, Texas)--PT Huayue, a joint venture between Tsingshan Holding Group (Wenzhou, China), China Molybdenum Company Limited (Beijing, China) and Zhejiang Huayou Cobalt (Beijing), is preparing to upgrade its high-pressure acid leach (HPAL) plant, raising its capacity to 120,000 tons per year for mixed hydroxide precipitate (MHP) products.