Hefei Tangcheng integrated circuit design Co., LtdIt is a chip design company focusing on the R & D and sales of analog and digital analog hybrid integrated circuits. It was founded by the former senior executives and engineers of Ti & MTK in the Innovation Industrial Park of Hefei high tech Zone, Anhui Province, and has a market sales and technical service department in Shenzhen. Hefei Tangcheng's core team has many years of profound management and technical experience in design, development, production and marketing, covering XA brand product lines such as class AB, class D, class F, class X, class G, digital amplifier, power management, touch, etc. the company mainly focuses on consumer markets such as Bluetooth / pull rod speakers, mid, POS machines, etc.