With the coming of the era of economic global village unification, the phenomenon of "spring and autumn and Warring States period" of supply and demand of die casting merchants has also appeared.

The re division of the market plate and the new interpretation of the concept of quality and value bring about the merciless collision between the old and the new management modes, which will still stay in the rough and family management level of man to the edge of life and death.

From the perspective of business environment in Hong Kong and the Pearl River Delta, this paper attempts to explore and find the survival and development space of Chinese die casting suppliers in the severe situation and in the era of challenges and opportunities.

China's die-casting industry is equipped with high-precision, high-value-added enterprises are mostly concentrated in the south of the Yangtze River, but the proportion of enterprises in the south of the Yangtze River is still in the minority. This uneven distribution will inevitably restrict the development of China's die-casting industry: the party with huge and cheap resources will give the value arch to the buyer through the low-cost mode of rough processing, and In the face of cheap and disorderly competition, those who own management and technology are restricted. Compared with foreign buyers, this can be said to be a typical internal friction type of "people benefit".