Hebei Dahong Experimental Instrument Co., Ltd. is a modern, high-tech comprehensive enterprise integrating R&D, production, sales and maintenance services. Our company mainly produces and operates: cement mortar fluidity tester, cement fineness negative pressure sieve analyzer, cement test mill, cement mortar vibrating table, cement electric bending tester, mortar test instrument series, concrete detection instrument series, asphalt detection instrument series, pavement detection instrument series, mechanical detection equipment series, geotechnical detection instrument series There are twelve series and 365 kinds of testing instruments, including mold testing sieve inspection series, brick and tile inspection instrument series, waterproof coiled material instrument series, standard sample series, and building nondestructive instrument series. For highway construction and railway construction; Scientific research institutions, colleges and universities; Quality supervision and testing institutions; Municipal roads and bridges, construction materials; Commercial concrete mixing plant, engineering quality testing center; Petrochemical industry and other industries provide various test instruments and technical services