Established in Jul. 2008 and located in Fengjing Industrial Park of Xi'an Economic Development Zone, Xi'an Tongxin Semiconductor Accessory Material Co. Ltd. (In brief Xi'an Tongxin) as a subsidiary of Xi'an Longi Silicon Material Co. Ltd. Occupies an area of 20000 square meters with an investment of 25milliosn Yuan.

Xi'an Tongxin is a professional semiconductor Accessory material manufacturing enterprise; It mainly focuses in the research and production of chemical material for solar energy semiconductor operation. Its main products include the series of silicate salts, Poly ethylene Glycol, Silicon carbide etc. It owns several professional production lines with an annual capacity of 200, 000kg and PEG, and Silicon Carbide 200, 000kg respectively.

Xi'an Tongxin has passed the certification of ISO9001-2008 Quality System and passed the verification as a New and Hi-tech Enterprise of State Grade in 2014. Since its foundation, Xi'an Tongxin has received prizes from local government many times for its advanced management concept and excellent operation achievements, such as it obtained for 3 consecutive years "Financial Tax Contribution Prize", "Science and Technology Progress Enterprise", "Employment Relation Harmonization Enterprise of Xi'an City", "Advanced Unit of Worker's Union's Work " etc.

Centered with customers, Xi'an Tongxin adheres to enterprise's core value of "Reliance, Value, and Happiness", always places customers' need in the first place. In the same time, relying on the advantages of technology resources of both the Higher education and research institutes of Xi'an area as well as its mother company, Xi'an Tongxin is committed to technology innovation and provides excellent products and high quality services to its customers from the professional technology aspect.