- Sandong Sanqiang Mining Machinery Co.Ltd
- mining machinery parts:coal cutter picks, roadheader picks, pdc anchor bits/pdc drill bits, alloyed anhor bits/drill bit.
- Address:Jining , Shandong, China
- Mengyin County Mine Equipment Tools Co., Ltd.
- coal drill, mining drill bit , accessories tools.
- Address:taoxu, linyi, Shandong Province, China