Comments for OM Holdings | A Manganese Ore & Ferroalloy Company OM Holdings Limited is a vertically integrated manganese ore and ferroalloy company. We are engaged in the business of trading raw ores, smelting, and marketing of processed ferroalloys. Fri, 26 Jun 2026 08:56:57 +0000 hourly 1 https://wordpress.org/?v=6.9.4