Shandong Harper Machinery Co., Ltd. is located in the beautiful Shandong. It is an economic entity that integrates the research and development, manufacture and installation of complete sets of mechanical, electronic and automation equipment. Its main products are various types of grouting pumps and mud pumps (pneumatic, hydraulic and electric), and undertake the design, manufacture, installation and commissioning of fire prevention and fire prevention grouting stations and water prevention grouting stations. . With the unremitting efforts of Jianglin people, the company has now become a qualified supplier of nearly 100 large and medium-sized state-owned enterprises, such as Shenhua Group, China Coal Group, Zheng Coal, China Railway and China Tunnel Corporation.Since its inception, the company has always attached great importance to improving the scientific and technological content of its products. The R&D center has a professional design team and a rigorous process team to cooperate. Based on the use of PRO-E, UG and other advanced international design software, and combined with future development needs, it actively develops with China University of Mining and Anhui University of Technology. With the cooperation of Henan University of Technology, Xi'an University of Science and Technology, Hebei Institute of Engineering and other institutions of higher learning, we have jointly developed and developed special pumping equipment operating under the conditions of new technology, new materials and new technology. These equipment not only succeeded in Retaining Roadways Along Goaf in coal mines in Shanxi, Shandong and Anhui, but also portable pneumatic pumps. Light weight (< 15kg) is easy to use and other characteristics in Henan, Shanxi, Anhui and other places of coal mine gas control has been praised by miners. After continuous renewal and replacement, it has been successfully matched with German shield machine, and has been well received by Metro contractors in Shanghai, Tianjin, Guangzhou, Nanning, Chengdu and Wuhan. The newly developed supporting equipment for drilling, injection and mixing slope protection has been widely used in six main lines of Beijing-Baotou, Jingtong, Baolan, Ji-2, Jitong and Baoxi Railway under the Hohhot Railway Administration.The Comprehensive Grouting pumping station developed by the company (grouting fire prevention and grouting water prevention in one) has superiority at the same level. The whole pumping station system fully realizes the integrated control of grouting and grouting under the premise of retaining the manual operating system. With the advanced computer integrated automation system, the whole grouting process can be achieved. Visualization, friendly man-machine interface, convenient user operation and maintenance, advanced in the industry.We are fully aware of our responsibilities and always adhere to the ISO 9001:2015 quality management system standards throughout our production process.In the future world, the field of science and technology is changing with each passing day. In order to meet the increasing demands of customers for "high efficiency, portability, explosion-proof, energy-saving", we are inspired by our unlimited desire for innovation and drive our stringent requirements for every part of every product. As a supplier in grouting and related fields, users are in the field of grouting. We can always get satisfactory equipment and all necessary services here.