Legal Document

Privacy Policy

This policy explains how Ecomstone Vietnam JSC collects, uses, stores, and protects personal information and business data in connection with our Ecomstone Solutions managed service.

Effective: January 1, 2026 Last updated: April 25, 2026 Version: 1.0

01Who We Are

Ecomstone Vietnam JSC ("Ecomstone," "we," "us," or "our") is a joint-stock company organized under the laws of Vietnam with its principal office at 4th Floor, Esymed Building, No. 8 LK29 Duong Noi Urban Area, Ha Dong District, Hanoi, Vietnam.

We operate as a Private Solution Provider on the Amazon Selling Partner API and deliver managed Amazon analytics and operations services under the Ecomstone Solutions program. This Privacy Policy applies to all data we process in connection with these services.

02Information We Collect

We collect information in three primary categories:

A. Information you provide directly

B. Information obtained via Amazon SP-API (with your authorization)

When you engage our managed services and authorize SP-API access, we retrieve business data from your Amazon account strictly as needed to deliver the contracted services:

Data CategoryPurpose
Advertising performance
Campaign metrics, impressions, clicks, ACOS, spend
Campaign management and optimization reporting
Product listings
Title, bullets, description, images, keywords
Listing audits and optimization
Pricing & competition
Product prices, Buy Box data
Profit analysis and competitive positioning
Inventory
Stock levels, FBA shipments, storage fees
Stock planning and FBA forecasting
Brand Analytics
Search query data, market share reports
Market intelligence and keyword strategy

We do not access: customer personally identifiable information (PII), customer order addresses, payment information, or any other data outside the scope of our contracted services.

C. Automatically collected information

03How We Use Your Information

We use collected information exclusively for the following purposes:

We do not use your data for

AI model training · Analytics benchmarking across clients · Third-party marketing · Data resale · Any purpose not directly required to deliver your contracted services.

04Data Sharing and Disclosure

We do not sell, rent, or trade your data. We share data only in limited circumstances:

We never share Amazon-derived data across clients. Each client's SP-API data is isolated in per-client storage partitions with strict access controls.

05Data Security

We implement industry-standard technical and organizational measures to protect your data:

06Data Retention

We retain data only as long as necessary to deliver services and meet legal obligations:

Clients may request earlier deletion of their SP-API-derived data at any time by contacting [email protected].

07Your Rights

Subject to applicable data protection laws, you have the right to:

To exercise any of these rights, contact us at [email protected]. We will respond within thirty (30) days.

08Amazon Data Protection Policy Compliance

As a registered Private Solution Provider on the Amazon Selling Partner API, Ecomstone strictly adheres to Amazon's Data Protection Policy. This includes:

09Cookies and Website Tracking

Our websites use cookies and similar technologies for basic functionality and analytics. We use:

You may disable non-essential cookies through your browser settings.

10International Data Transfers

Ecomstone is based in Vietnam. Data may be transferred to, processed, and stored in Vietnam and in cloud infrastructure regions we use (which may include Singapore, the United States, and the European Union). We implement appropriate safeguards to ensure lawful transfer and equivalent protection, regardless of where data is processed.

11Children's Privacy

Our services are directed exclusively to businesses and are not intended for individuals under the age of 18. We do not knowingly collect information from children.

12Changes to This Policy

We may update this Privacy Policy from time to time. Material changes will be communicated to active clients via email at least thirty (30) days before taking effect. The "Last updated" date at the top of this policy reflects the most recent revision.

13Contact Us

For questions, complaints, or to exercise your rights under this policy, contact us at:

Ecomstone Vietnam JSC — Privacy Team

4th Floor, Esymed Building
No. 8 LK29, Duong Noi Urban Area
Ha Dong District, Hanoi, Vietnam

Email: [email protected]
Phone: +84 334 999 811