In order to further standardize the market order of the coal machine, prevent the counterfeit and shoddy coal mine special equipment and accessories products into the coal mine, and protect the safety of the coal mine production, China National Coal Machinery lndustry Association(CMIA) carry out the qualification accreditation activities of national coal mine special equipment and accessories products fixed-point production units. Recently, after company declaration, qualification examination, product quality analysis of coal mine users' feedback and other strict examinations, CMIA formally issued Shandong China Coal Group the certificate of  "National Coal Mine Special Equipment and Accessories Products Fixed-point Production Units".
According to the provisions of the certificate, the special equipment and accessories scope of our Group include: underground refuge chamber door, dual purpose door for fire prevention fence, waterproof sealing door, no pressure ventilation door, inclined ventilation shaft explosion-proof door, shock wave resistance door, shock wave seal door, water protecting gate, vertical ventilation shaft explosion-proof door, material car, single-side tipping and curved rail mine car, bottom dump mine car, bucket-tipping car, fixed mining car, platform trailer, U steel retractable supporter, rake bucket loader, dispatching winch, swapping winch,  roller cage shoe, coagulation and injection machine.

These years, Shandong China Coal Group uphold the enterprise spirit which responsible for  the country and the customer, actively respond to the requirements of national safety production, strictly guarantee the quality of products, strive to improve product quality and safety level, there have been more than 100 products passed the national coal safety certification, and established a good reputation in national mining industry. China coal group was designated as the national coal mine special equipment and accessories products fixed-point production units is the high affirmation for the quality and safety of our Group's mining products. We must guard against arrogance and rashness, make persistent efforts, strict execute national or industry technology and quality standards to ensure every product  satisfied social public and customer!