Company Description
Chongqing YAMAMOTO machine Co. Ltd, which introduce advanced drill technique from Japan, established in 2005 at Chongqing China.
YAMATOMO Rock Drill Machine Co., produce tunnel and mine relevant drill machine. YT28 air-leg rock drill went into market officially in Jun. 2009 with technical development department and all staff hard working after 3 years. Its quality is stable; qualification meets industrial standard, and performance meets the domestic advanced standard.