Ma ke kahua o ka cemented carbide, hengrui e like me Hebei Renqiu kī manufacturing 'oihana, ua hele mua ma 16 makahiki makani a me ka ua papa, no ka renqiu kiʻekiʻe-ʻenehana 'oihana ma luna o koho nui, ka hui ua hala ISO9001 quality Management System palapala hōʻoia, ka inoa inoa. ʻO "hengtai ruixiang", ua hoʻopaʻa ʻia i nā lako hana carbide a me ka automation hana a pēlā aku ma mua o 10 mau palapala ʻāina.