According to statistics, at present, there are more than 300 large and small roller factories in China, with a production capacity of about 700,000 tons, which has exceeded the normal consumption of rollers and the actual market demand.

With the rapid development of iron and steel industry, domestic roller manufacturers have also accelerated the pace of technological transformation and capacity expansion in recent years. Foreign investors are more optimistic about China's big market. On the basis of direct export of products, it will flood in in the form of joint venture, new construction and expansion of roll factories.