This privacy notice is provided in English for all non-Chinese language versions. For a translation, contact us.
1. Who is responsible for your data
This website is operated by Shenzhen Jinshengchang Technology Co., Ltd., Room 305, Chuangzhao Plaza, Ailian, Longgang District, Shenzhen, China. We determine the purposes and means of processing personal data and act as the data controller under the GDPR.
Privacy contact: jietainana@gmail.com. We respond to verifiable requests within 30 days.
2. What data we collect
We collect only the data you provide or that is necessary to deliver the service you request:
- Enquiries and customization: name, company, email, phone, country/region and requirements.
- Purchase requests: company, contact, email, phone, delivery country, optional tax ID, notes, products and quantities.
- Newsletter: email address and subscription consent record.
- Browser-local data: purchase list, language and privacy choice.
- Security logs: the server and hosting provider process IP address, browser type and access time for security, rate limiting and troubleshooting.
Please do not send identity documents, health data, bank details or other special-category data in an enquiry. The site is not directed at children.
3. Purposes and legal bases
| Purpose | Data | Legal basis |
|---|---|---|
| Responding to enquiries, quotes and support | Contact and requirement data | Steps prior to a contract at your request / consent |
| Purchase requests and order communication | Buyer and delivery data | Contract / pre-contract steps |
| Running the purchase list and language choice | Local storage | Providing the service you requested (necessary) |
| Keeping a consent record | Time, version, choices | GDPR accountability |
| Analytics / marketing | Only with consent | Consent (not currently active) |
We do not make decisions producing legal or similarly significant effects based solely on automated processing.
4. Cookies and local storage
We follow the ePrivacy Directive: no non-essential storage is enabled by default. Essential storage supports features you request and does not require consent; analytics and marketing are off until you opt in.
| Name | Type | Purpose | Retention |
|---|---|---|---|
nexa_cart_v1 / nexa_cart_items_v1 | localStorage | Purchase list | Until cleared or deleted |
lang | Cookie | Language preference | 1 year |
nexa_consent_v1 | localStorage | Privacy choice, time and version | Until withdrawn or deleted |
| Analytics / marketing | Not currently used | Enabled only with consent | Per future configuration |
You can change or withdraw consent at any time via . Withdrawal does not affect the lawfulness of processing before withdrawal.
5. Sharing, retention and transfers
We do not sell personal data. We share it only as necessary with hosting, email, CRM or logistics providers under data-processing agreements. Where data is transferred outside the EEA, we use EU Standard Contractual Clauses or equivalent safeguards.
Enquiry and purchase records are retained for no more than 24 months; consent records for 24 months after withdrawal; cart and language preferences in your browser until you delete them. Legal retention obligations may require longer periods.
6. Your rights
Subject to applicable law, you have the right to:
- access the personal data we hold about you;
- rectify inaccurate or incomplete data;
- erase data (right to be forgotten);
- restrict or object to processing;
- data portability in a structured, commonly used format;
- withdraw consent without affecting prior processing;
- lodge a complaint with your local data protection authority.
We normally act free of charge and within 30 days. We may need to verify your identity; complex requests may be extended by two months with notice.
7. Export, deletion and data requests
Browser-local data (purchase list, language, consent) can be exported or deleted immediately using the panel on this page. For enquiry and purchase records held on our servers, submit a request by email.
Request a data export by email · Request erasure by email · Other data rights request
If you believe processing infringes the GDPR, you may complain to your local supervisory authority. We would appreciate the chance to resolve it with you first.
8. Changes and contact
We may update this notice and will show the date on this page. Material changes will be notified on the site or by email. Where a new purpose requires consent, we will ask again before processing.
Data controller: Shenzhen Jinshengchang Technology Co., Ltd.
Address: Room 305, Chuangzhao Plaza, Ailian, Longgang District, Shenzhen, China
Email: jietainana@gmail.com
VERSION 2026-10-29 · NEXA / SHENZHEN JINSHENGCHANG TECHNOLOGY CO., LTD.