Qingdao Zhida environmental protection smelting equipment limited company was founded in August 1990, there are two factories in the north and south, covering a total area of 60,000 square meters, a total construction area of 38,000 square meters, is a collection of scientific research, production, sales in one of the high-tech enterprises, is also ISO/TC 306 China Working Committee member unit. The company mainly produces large-tonnage (10T/H and above) outdoor hot air long furnace age cupola system, molten iron intelligent transfer system, automatic pouring machine, foundry smoke and dust control system, electric furnace supporting equipment, pouring and supporting equipment (iron bag, steel bag, baking machine, electric flat car), and rock wool/slag wool production line, etc., and various products are marketed at home and abroad. The company has obtained a total of 40 patents, including 4 national invention patents and 36 utility model patents. He has presided over drafting revisions or participated in the drafting and revision of 52 national standards and industry standards for foundry machinery. It was rated by the China Machinery Industry Federation as “Deputy Chairman Unit of the Smelting and Pouring Sub-Standard Committee of the National Foundry Machinery Standardization Technical Committee”. It is also a unit in the industry involved in the drafting of international standard terminology for foundry machinery. The company's independent research and design is dedicated to the transfer of molten iron from the electric furnace in the foundry workshop to the pouring area of the molding line. It can effectively reduce the labor intensity of workers, save labor costs, and reduce the safety hazards during the molten metal transfer process. The specific model and configuration of the product can be customized according to the customer's on-site conditions.