Zhengzhou and Luoyang.
1. There are mold makers in Zhengzhou, Luoyang, Xuchang and other places in Henan, among which Zhengzhou and Luoyang are probably the most common ones.
2. For example: Zhengzhou Wenhua Road Mold Center, Zhengzhou Huagong Road Daling Plastic, Luoyang Yijia Plastic Mold, Jianyuan Mold Manufacturing, etc., the above are relatively large mold factories