Envicool(SZ:002837) Xin Lang Cai Jing·2025-09-29 06:12Core Viewpoint - Invech's stock price increased by 5.14% to 83.90 CNY per share, with a trading volume of 3.648 billion CNY and a market capitalization of 81.326 billion CNY as of September 29 [1] Company Overview - Shenzhen Invech Technology Co., Ltd. was established on August 15, 2005, and listed on December 29, 2016. The company is located in Longhua District, Shenzhen, Guangdong Province [1] - The main business activities include the research, production, and sales of precision temperature control energy-saving equipment, as well as air conditioning and maintenance services for rail transit trains and traditional buses [1] - Revenue composition: 52.50% from data center temperature control products, 36.00% from cabinet temperature control products, 9.82% from other sources, 0.93% from rail transit train air conditioning and services, and 0.75% from bus air conditioning [1] Fund Holdings - One fund under Yingda Fund holds a significant position in Invech, specifically Yingda Flexible Allocation A (001270), which held 29,300 shares in the second quarter, accounting for 3.73% of the fund's net value, ranking as the tenth largest holding [2] - The fund has achieved a year-to-date return of 33.54% and a one-year return of 52.6%, with a total return since inception of 96.61% [2] Fund Manager Performance - The fund manager Zhang Dazheng has been in position for 5 years and 269 days, managing assets totaling 22.058 billion CNY, with the best return during his tenure being 84.48% and the worst being 3.82% [3] - Liu Yubin has been managing 76.831 million CNY in assets for 1 year and 158 days, with a best return of 34.41% and a worst return of 25.44% [3] - Huo Da has managed 9.10027 million CNY for 2 years and 235 days, achieving a best return of 39.33% and a worst return of -5.66% [3]