Heze high tech Zone Long'ao Engineering Materials Co., Ltd. (hereinafter referred to as "Long'ao engineering materials") is a high-tech enterprise engaged in the production and sales of bridge beam core mold and hollow floor of underground garage for house construction. The company's production base is located in Heze high tech Zone, Shandong Province. It was started in August 2019 and put into operation in November 2019. The main products are bridge beam core mold, underground garage hollow floor, cast-in-place beam core mold. Longao engineering materials takes innovation and development as the strategic direction, satisfies the consumption upgrading as the goal, relies on the advantages of technology, indust...