1. Main Parameter

   
   

   Drilling depth	m			100		250			300	600
   Drilling DI	mm			300		200			150	75
   Open hole DI	mm			300
   End hole DI	mm			75
   Drilling rod	mm			Φ60
   Drilling angle				90°-65°
   Rotary Spindle
   Spindle forward speed					r/min				30-1050
   Spindle reverse speed					r/min				29-137
   Spindle stroke					mm				560
   Spindle inner diameter					mm				96
   Spindle lifting capacity					KN				60
   Main Winch ( drive hydraulic system)
   Single line lifting speed							m/min		0-45
   Hug floodgate belt width							mm		90
   Tightrope diameter							mm		14
   Hoist single line lifting capacity							KN		40
   Roller diameter							mm		200
   Roller cubic measure							m		30
   Mud pump
   Horizontal Triplex BW-250 mud pump
   Displacement			L/min						250
   Work pressure			Mpa						7
   Water inlet caliber			mm						75
   Water to exit caliber			mm						50
   Gear Oil pump
   Duplex gear oil pump CBF-F63/25
   Front displacement,pressure									63mL/r 20Mpa
   Behind displacement,pressure									25mL/r 20Mpa
   Drilling rig Power
   Diesel engine		Hp							4100# 50HP
   Electric motor

   
   

Shandong China Coal Industrial&Mining Supplies Group Co.,Ltd (hereinafter referred to as china coal) is a group company, which is a collection of e-commerce, machinery manufacturing, software, research and development, modern logistics of large diversified industrial group. The group has 100 million yuan registered capital , with more than 1100 employees.

China coal is a professional manufacturing base of mines support equipment, transport equipment, lifting equipment, spray equipment, drilling equipment, ventilation equipment, lifting equipment and other products, as well as research and development new product and mine construction products with advanced high technology.

In order to development of international trade , expansion overseas market, china coal established international trade branch company and import and export branch company. China coal actively expand foreign trade channels based on a good market image, brand, modern information platforms and capital protection. Based on the trading diversification strategy, the group established a chain loop trading system which is with import and export trade of the mining equipment as a core, the resources and market as the elements. China coal also formed a overseas sales team, that covers English, French, German, Portugal, Italy, Russian, Korean, Japanese, Arabic, and more than 10 language professionals to explore broader international markets on the Internet. At present, the group signed up for "china coal" trademark in the European Union, United States, Russia, United Kingdom, Taiwan, Macao, Singapore, Indonesia, Israel, and other countries, also get the right to use the trademark of the United Kingdom and Taiwan. Hundreds kinds of products such as tunnel boring machine, coal cutter machine etc. is exported more than 140 countries and regions which are the United States, Australia, Germany, Russia, Spain, France, Canada, United Kingdom, Italy, Portugal, Georgia, Austria, and Colombia. China coal is to establish long-term, broader economic and trade cooperation and strategic partnership with a number of large state-owned enterprises and customers, and won the unanimous approval of them.

China coal has succeeded in passing a number of certification systems which are ISO9001, 2008 quality management system certification, United States ANAB management system certification, United Kingdom international authoritative certification bodies UKAS quality management system certification, SGS certification (made in China), Alibaba GIS certification. She has also obtained a variety of honor which are China excellent enterprise of mechanical industry, China equipment manufacturing operation top 10 enterprises, national reputation for quality assured supplier, China credit certification system demonstration unit, national quality trustworthy product for conformity assessment, national consumer satisfaction units, China AAA level quality trustworthy enterprise and Chinese e-commerce company credit rating AAA level credit Enterprise.