Dust Collector for PMB Ferroalloys SND. BHD. Project in Malaysia PMB Silicon Sdn. Bhd., based in Sarawak, Malaysia, has contracted SMS group to supply two SAF (Submerged Arc Furnace) for the production of silicon. The planned production capacity is 32,000 tons of silicon per year. Commissioning is scheduled for autumn 2018. Kovis E&C awarded Dust Collector Package for PMB Ferroalloys SND. BHD. Project in Malaysia. Contractor: PRC INC.. Q’ty: 32 tons. Time for completing this package is 1 month.