Our company trade high quality Tungsten Concentrate (WO3) with concentration > 65%. The total capacity is approximately 200-250 Metric Tons per year. The production starts in the beginning of April and finish the end of October due to the adverse climatic situations in the region in winter time. The individual shipment can be up to 20 Metric Tons per truck. The maximum monthly shipment can be up to 40 Metric Tons for the same period above mentioned.