Warranty Service for Sumitomo Machines : 12 months or 2,000 working hours, whichever occurs first.

Warranty Service for Yanmar Machines : 12 months or 1,000 working hours, whichever occurs first.

Operation Training : Our experts will instruct customers who purchase Sumitomo and Yanmar machines to operate perfectly and do their day-by-day maintenance thoroughly. Operation training is performed at your working sites.

Hot line for warranty service : If you have any technical problems occurring in or after warranty period, pls do not hesitate to contact our Service and Maintenance Department :