Company Overview - Dongwei Technology Co., Ltd. is located in Kunshan, Jiangsu Province, established on December 29, 2005, and listed on June 15, 2021. The company primarily engages in the research, design, production, and sales of high-end precision electroplating equipment and its supporting devices [1] - The main products include vertical continuous electroplating equipment for PCB electroplating, horizontal surface treatment equipment, gantry electroplating equipment, and rolling electroplating devices [1] Revenue Composition - The revenue composition of Dongwei Technology is as follows: vertical continuous electroplating equipment accounts for 62.68%, gantry electroplating equipment 13.14%, other products 9.73%, rolling horizontal film electroplating equipment 6.14%, hardware continuous electroplating equipment 3.82%, horizontal surface treatment equipment 2.78%, other (supplementary) 0.99%, photovoltaic copper plating equipment 0.40%, and magnetron sputtering winding coating equipment 0.33% [1] Fund Holdings - According to data, one fund under Jiashi Fund holds Dongwei Technology as a top ten heavy stock. The Jiashi SSE STAR Market Industrial Machinery ETF (588850) held 10,100 shares in the second quarter, accounting for 2.54% of the fund's net value, ranking as the tenth largest heavy stock [2] - The Jiashi SSE STAR Market Industrial Machinery ETF (588850) was established on April 16, 2025, with a latest scale of 15.6942 million. Since its inception, it has achieved a return of 28.12% [2]