Yantai zhongyun building materials Co., Ltd. has the second grade qualification of concrete prefabricated components. It can produce various large and medium-sized industrial and civil concrete components and accessories. At the same time, it has introduced advanced GRC board production equipment, equipped with 5-ton gantry crane and other modern equipment. The main products are large-scale roof slab, bridge slab, crane beam, post tensioned prestressed large-scale folding line roof truss and large-scale concrete prefabricated parts, etc. The products are economical, practical, beautiful and widely used, and are rated as excellent products by Yantai quality inspection station.

    Longkou zhongyun Concrete Co., Ltd. is a professional ready mixed concrete manufacturer. The company has more than 30 sets of advanced production, transportation and construction equipment, three concrete production lines, which can produce high-quality commercial concrete of various strengths, grades and special properties. It has passed the ISO9001 quality management system certification and ISO14001 environmental management system certification successively, ranking the top in the comprehensive and special inspection of concrete enterprises organized by competent departments at all levels, and awarded the honorary title of "3A credit enterprise" by Shandong Concrete Association.

    Longkou zhongyun building material testing Co., Ltd. is equipped with more than 130 sets of universal material testing machine, pressure testing machine and other inspection equipment, which can be engaged in cement, steel bar, waterproof material, concrete mortar, admixture, steel component ultrasonic and other inspection projects. In 2007, it obtained the qualification certification and measurement certificate of Shandong laboratory. In the special test ability verification organized by the Provincial Technical Supervision Bureau, the test data is accurate, and it has been awarded the honorary title of "satisfactory laboratory" for many times.

    The company adheres to the service tenet of "quality first, customer first", and strives to create a first-class enterprise with "first-class products, first-class quality and first-class service". Willing to cooperate with friends from all walks of life, mutual benefit and win-win.