Zhejiang Zhongma Transmission Co., Ltd. needs to mark the factory number of each product due to the requirement of standardized management, and the marked text must be clear and beautiful. After the trial, they were very satisfied with the performance and effect of Nachang marking machine. ZHONGMA Group and NACHANG have had a long term cooperation, Nachometer's pneumatic marking machine has been used in ZHONGMA for more than 7 years, and the quality is stable.