Where are the most foundries in Shandong?

Shandong is the second largest foundry province in China, and its output and capacity rank among the top in China. It is concentrated in Weifang area, mainly in Wei Chai enterprises, such as Haoxin, Huafeng and Sheng Rui. There are Tianrun and resorts in eastern Shandong, and heavy duty truck, Huxiwang, Xintaike and fashion style in western Shandong. Hello, especially me.