50-150mm Soil Drill Bit DTH Hammer Button Bits For Construction And Mining

50~150mm Soil Drill Bit for Construction and Mining

The earliest domestic institute engaged in the research and development of shotcrete technology

The most representative institute standing for the contemporary development of shotcrete technology

The first institute realizing the leap development from technology development to mass production

Henan Coal Science Research Institute Keming Mechanical and Electrical Equipment Co. , Ltd. is a holding subsidiary of Henan Coal Scientific Research Institute Co., Ltd. , which was established in March 1979. With 40 years manufacturing experience, our company is specialized in research, development, production and sales of spraying and pumping products and mining products. Up to now, our company operates more than 50 kinds of products, covering shotcrete equipment, grouting equipment, mixing equipment, plastering equipment, hose pump etc.

Achievements:

Our company has obtained more than 400 provincial and ministerial level science research projects, more than 110 technology awards and 45 national invention patents and utility model patents, more than 500 scientific and technological advisory services.

• In 2016, the scientific and technological achievement appraisal certificate "Dust-removing concrete spraying system key technology and equipment research" project was appraised by experts from China Coal Association that its research achievements and product performance reached the domestic leading level, and the "Science and Technology Achievement Appraisal Certificate" was issued.
• In 2017, (Yu Coal "2017" 126) "Research on the Key Technology and Equipment of Dust Removal Concrete Spraying System" was listed as one of the advanced and applicable technologies for promoting coal mine safety in Henan Province
• In January 2018, it was assessed as a small and medium-sized technology-based enterprise in Henan Province and issued a certificate
• In May 2018, the "CE" certification passed the international safety standard test, which meets the basic requirements of the EU "New Method of Technical Coordination and Standardization" directive. And issued "CE" certification.
• In July 2018, the three system certification passed the quality management system certification, environmental management system certification, and occupational health management system certification and issued certificates
• In November 2018, the high-tech enterprise was assessed as a national high-tech enterprise and issued a certificate
• In July 2019, obtained the “AAA” credit rating of the coal industry (the highest level)
• In December 2019, passed the implementation of intellectual property standards
• In January 2020, it was rated as a potential gazelle enterprise and a high-growth enterprise
• In November 2020, it was rated as a Class A enterprise in Zhengzhou City
• From September to December 2020, our company was approved by the Zhengzhou Municipal Science and Technology Bureau to establish the "Zhengzhou City Shotcrete Support Engineering Technology Center", and was approved by the Zhengzhou Municipal Bureau of Industry and Information Technology to establish the " Technology Center of Henan Coal Science Research Institute of Keming Mechanical And Electrical Equipment Co., Ltd.", approved by the Henan Provincial Department of Science and Technology to establish the "Henan Province Mine Support Engineering Technology Research Center"
• From May-July 2021 Henan Province "specialized, special and new" small and medium-sized enterprise, national "specialized, special and new" small giant enterprise
• Patent certificate: now has more than 40 product patent certificates, including 7 invention patents, 39 utility model patents, and 1 appearance design patent.

Application:

Mining well project, hydropower engineering, highway (railway) tunnel, subway engineering, bridge and slope maintenance, air-raid shelter construction, municipal construction, environmental greening project, blast-furnace refractories spraying, etc.