On November 10, 2022, China's leading wafer polishing solution provider announced:
After the aluminum oxide abrasive based polishing solution entered the ton purchase stage and the dielectric material polishing solution products continued to obtain orders, the company's tungsten polishing solution products received purchase orders from several mainstream wafer manufacturers in China for the first time recently, with the purchase quantity of 20 tons.
This tungsten polishing solution is compared with the competitive products of international leading brands, which can fully meet the customer's use requirements and some of its performance is better than the overseas competitive products.
This polishing liquid is used in a special process, which requires selective grinding of various films. It is a very difficult tungsten polishing liquid.