Cangzhou Zhongjian Precision Instrument Co., Ltd. is a manufacturer and supplier of laboratory testing equipment for the civil engineering & construction industry. Our products are specificall...

2nd Ring Road Tiaoqiao District Jinan Shandong 250032 China

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Room706, HONGFEI Building, No.123 Yanshan street, Changsha, Hunan, China

Hi, I am is Shi Rui. I worked for Changsha ENYU Engineering Equipments Co. Ltd. We are specializing in manufacturing of materials and tools for civil and mining in China for many years. Therefore we h...