The people directly accountable for service quality.
Team & leadership
Founder & CEO
Nguyễn Xuân Trường
“Transparency and pay-only-after-receiving are our most important promise.”
Co-Founder & Operations
Hà Quốc Việt
“We keep customer data secure and share progress clearly.”
ONE GREEN TECHNOLOGY AND COMMUNICATIONS JOINT STOCK COMPANY
Transparent tax refund and nenkin support for Vietnamese in Japan.
Tax code
0110966124
Phone
+84 333 706 104
Office address
E50, 3ha auction area, Duc Dien Street, Phuc Dien Ward, Bac Tu Liem, Hanoi, Vietnam
Tax address
E50, 3ha auction area, Duc Dien Street, Phu Dien Ward, Hanoi, Vietnam
Business hours
Mon - Sat · 07:00 - 18:00
International
ONE GREEN TECHNOLOGY AND COMMUNICATIONS JOINT STOCK COMPANY
Office map
E50, 3ha auction area, Duc Dien Street, Phuc Dien Ward, Bac Tu Liem, Hanoi, Vietnam
What we stand for
- Transparency first: fees and steps are clear before you decide.
- Security: personal data handled with care and least privilege.
- Speed with quality: automated tracking plus manual checks on risk points.
Why we do this
- Help workers reclaim their money fast and transparently.
- Full-cycle support: consult, prepare documents, submit, track, report.
- Strong privacy with zero hidden fees.
Clear pricing
- Fee is charged only after you receive the refund/nenkin.
- Fixed published percentage, no hidden surcharges.
- If you receive nothing, you pay nothing.
Process
Our process
Step 1
Free consultation and eligibility check.
Step 2
Document preparation and review together.
Step 3
Submit and coordinate with authorities.
Step 4
Share progress regularly and answer quickly.
Step 5
You receive funds → reconcile and invoice.
Talk to us
ONE GREEN TECHNOLOGY AND COMMUNICATIONS JOINT STOCK COMPANY
+84 333 706 104
