The company said that production increased through December, with operations moving to a 24-hour schedule from 18 December – albeit the company noted that the positive impact was offset by fine-tuning work that required both planned and unplanned shutdowns.
Tungsten concentrate production in the fourth quarter amounted to 21.4 tonnes, while 7.9 tonnes of tin concentrate were produced. These volumes are expected to ramp up substantially in the current quarter, the company added.
"We are pleased to have produced nearly 30 tonnes of tungsten and tin concentrate (combined) and sold and banked proceeds from our first tungsten shipment from the new concentrator plant,” said Michael Masterman, W Resources chairman.
He added: “Mining and grade control is broadly in line with 2017 FID with higher tin grades currently driving higher than expected tin production."