- Shandong China Coal Group Company Limited
- worldwide,africa
China(Mainland)
- Longyue Drill Bit
- all over the world
China(Mainland)
- Shanghai DENP Industrial Co.,Ltd
- Europe, South-East Asia, Middle East, South America, USA, Africa
China(Mainland)
- LONGYUE TRICONE ROCK BIT
- tricone bit; pdc bit; roller cone bit
China(Mainland)
- 通然顺工业有限公司
- -
Taiwan
- 重晶科技股份有限公司
- -
Taiwan
- S E M LTD
- -
United Kingdom
- PIONEER GIFT CO.,LTD.
- -
Taiwan
- COCKAYNE LTD
- -
United Kingdom
- M & S CORPORATION JAPAN, LTD.
- -
Japan
- CANIMEX
- -
Canada
- 泉长企业有限公司
- -
Taiwan
- MILLER INDUSTRIAL SERVICES,INC.
- -
United States
- 泰平科技股份有限公司
- -
Taiwan
- 嵘利企业股份有限公司
- -
Taiwan
- TRISTAR ELECTRIC INC
- -
Canada
- BWL MASKIN AS
- -
Norway
- 乐华科技股份有限公司
- -
Taiwan