http://pastport.jp/user/zettlernb ja-JP It is a joint venture, located in Yuyao, Zhejiang, China. It’s the important OEM production base for Hongfa Groups and Zettler Groups on relays. It was recognized as a high-tech enterprise from year 2010. 2023-10-16T12:16:43+0900 http://pastport.jp/user/zettlernb/timeline/Ningbo%20Zettler%20Electronics%20Co.%2C%20Ltd. zettlernb http://pastport.jp/user/zettlernb/timeline/Ningbo%20Zettler%20Electronics%20Co.%2C%20Ltd.