Yang Xing used to be a R & D engineer in a chemical company and was proficient in the fields of fine chemistry and chemical engineering, environmental protection chemistry and petrochemical engineering. Has been engaged in the patent industry for many years, mainly providing patent applications related to inorganic chemistry, polymer materials, petroleum refining and processing, chemical fiber materials, pharmaceuticals, environmental protection, biochemistry, chemical synthesis, etc.; also responsible for patent infringement analysis and invalidation of domestic and foreign customers.

is responsible for the patent agency business of important customers in the institute all the year round, and leads the chemical department team to complete a large number of excellent patent application writing work for many well-known customers, including China Petrochemical Corporation, Shanghai Electric Group Co., Ltd., Shanghai Hehui Optoelectronics Co., Ltd., China Building Materials International Engineering Group Co., Ltd., Ningbo Shenzhou Knitting Co., Ltd., etc., to provide customers with a variety of three-dimensional quality services.