the United States to ANAB quality management system certification, the British UKAS quality management system
certification, the international authoritative certification body SGS certification (China) manufacturing, alibaba
GIS field certification, has gained more than 70 coal mine product country MA security certification and product
inspection certificate of quality issued by the shandong province pledges inspect bureau, and successfully
registered the trademark, the trademark trademarks, Russia and the Middle East trademark and China coal issued by
the state trademark office trademark, Israel and the European Union, Russia, Britain, Indonesia coal trademark
rights and domestic coal pinyin trademark rights.