Core Viewpoint - Xingyun Co., Ltd. has shown a significant increase in stock price, indicating positive market sentiment and potential growth in the lithium battery testing sector [1][2]. Company Overview - Xingyun Co., Ltd. is located in Fuzhou, Fujian Province, and was established on January 24, 2005, with its listing date on April 25, 2017 [1]. - The company specializes in the research, production, and sales of lithium battery testing systems and related products [1]. - The revenue composition of the company is as follows: lithium battery equipment accounts for 75.78%, other products for 14.50%, testing services for 9.66%, and rental income for 0.07% [1]. Fund Holdings - A fund under Puyin Ansheng has a significant holding in Xingyun Co., Ltd., specifically the Puyin Economic Belt Rising Mixed A fund (519175), which held 4,300 shares, representing 0.55% of the fund's net value [2]. - The fund's latest scale is 29.63 million, with a year-to-date return of 4.93% and a one-year return of 3.78% [2]. - The fund manager, Zhao Nan, has been in position for 4 years and 253 days, with the fund's total asset size at 130 million [2].