Jinan Hengsheng Engineering Machinery Co.,Ltd.is a construction machinery manufacturer appointed by China State Bureau of Technical Supervision,member unit of Engineering Machinery Industrial Association of China, member unit of Examination Technology Committee of Engineering Machinery Industrial Association of China, one of the Top 100 enterprise of national civil engineering machinery manufacturing industry, director unit of Construction Machinery Association of Shandong Province, and one of the Top 100 faithful enterprises of Shandong Province, ISO9001:2000 international quality system certified.       The main products : tower crane, crane, elevator, construction elevator, hoist,builder.