Recently, whispers have circulated within the Chinese mainland market suggesting that two Japanese companies have permanently ceased the production of tungsten hexafluoride, allegedly due to a scarcity of tungsten powder sourced from the Chinese mainland. However, insights from individuals well-versed in the Japanese market within Taiwan's semiconductor supply chain, along with information gleaned from the Kaneto Chemical briefing session, reveal these rumors to be unfounded. The actual scenario is that following China's tightening of export controls on tungsten powder, Japanese companies have indeed encountered challenges stemming from raw material shortages and escalating costs. Nevertheless, they have not entirely stopped production.
