Is there a well-made custom manufacturer of zinc alloy die castings in Guangdong?

There should be many custom-made manufacturers of zinc alloy die castings, and there must be many in Guangdong. However, our factory visited four or five companies before, and finally chose to cooperate with Yuhua Sheng. They are enterprises in Shenzhen and have developed many types of products that support customization. You can refer to them.