Services & Warranties




Technical team: Our team of professionals is trained both in domestic and abroad (Japan, Malaysia, Indonesia), certified by SUMITOMO Construction Machinery Co., Ltd (Japan).


Warranty policy: Our company applies the warranty on SUMITOMO, YANMAR, ULTRATREX machines according to the manufacturer's standards.


Operating instruction: When buying new SUMITOMO, YANMAR, ULTRATREX machines, customers will be trained and guided by our technical experts in order to operate as well as maintain them daily precisely and proficiently. This can be done at your own working sites.


Hotline for service: If you have any requirements for techniques of equipments during or after the warranty period, please feel free to contact our service center to be served:




Service and Maintenance Center of SUMITOMO machines:


Address: 720 Nguyen Van Cu street, Long Bien District, Ha Noi, Vietnam

Tel: (+8424) 38778406

Fax: (+8424) 35624081

Mobile: (+84)985264887 (Mr. Dinh Khac Luan)





Warranty center of YANMAR marine engines


Add: S10-11 Ba Vi, Ward 15, District 10, Ho Chi Minh city
Tel: (+8428)39707979
Fax: (+8428)39708899
Mobile: (+84)908715157 (Mr. Nguyen Trong Dich)