Xi'an Tongxin Semiconductor Auxiliary Materials Co., Ltd. (Xi'an Tongxin for short) was established in July 2008. Located in Fengjing Industrial Park, Xi'an Economic Development Zone, it covers an area of 20,000 square meters and has a registered capital of 25 million.


Xi'an Tongxin is dedicated to technological innovation and process renovation. Its lithium silicate, potassium silicate, and 4nm SiO2 colloid products from high-purity silicon for semiconductors are highly active, colorless and transparent, stable, of superior quality with extremely low impurity ion content, comparable to imported ones. Customization available. Can produce lithium silicate and potassium silicate with moduli from 2.6 to 5.


The company highly values R&D. With strong scientific research strength and 16 invention patents, it has obtained high-tech enterprise certification and ISO9000 quality management system certification.