由30余台西门子MM440驱动组成的郑州森林半岛（河南建业集团建设新型高档驻扎小区）电梯项目已全部完成。此次项目是在西门子标准传动部积极努力下与许继电梯公司的首次成功合作。当前所有的电梯运行良好，西门子变频器由此博得了用户的大量好评。
The Zhengzhou Forest Peninsula elevator project composed of 30-unit MM440 was put into running. This project was the first successful cooperation between XuJi Elevate Company and Siemens A&D SD. At present, the customer is satisfied with SD inverters because of the well-running Elevator.