Contact information
Contact Us
Last Updated: July 23, 2026
Welcome to Contact Us
Thank you for your interest in and support of Zijingwei Group (ZJW Chip Group) ! Whether you need product inquiries, technical support, sample requests, bulk order quotations, or have any other questions, we are here to assist you.
We are committed to providing professional IC products and technical services to electronics manufacturers, solution design companies, and component distributors worldwide. Please reach out to us through the following channels.
1. Contact Channels
| Business Type | Contact | Description |
|---|---|---|
| General Inquiries | cmh@zjwic.cn | Product information, corporate cooperation |
| Technical Support | cmh@zjwic.cn | IC selection, application solutions, technical documentation |
| Orders & Quotations | cmh@zjwic.cn | Bulk orders, sample requests, pricing inquiries |
| Complaints & Suggestions | cmh@zjwic.cn | Service feedback, complaint handling |
2. Phone Contact
China Service Hotline (Recommended)
- Mobile: +86 13502889292 （Mr huang ）
International Customers
For international phone support, please contact us via email first. We will respond within 24 hours.
3. Company Address
Shenzhen Headquarters (R&D and Operations Center)
- Address: Unit 1001, 10/F, Building A, Country Garden Phoenix Smart Valley, Bao'an District, Shenzhen, Guangdong, China 518102
- Directions: Located in the Bao'an Central District, close to Bao'an International Airport and the Guangzhou-Shenzhen Riverside Expressway, with convenient transportation access.
4. Business Hours
| Business Hours | Notes | |
|---|---|---|
| Monday – Friday | 09:00 – 18:00 (Beijing Time, UTC+8) | Regular office hours |
| Saturday – Sunday | Closed | For urgent matters, please send an email |
| Public Holidays | Closed | As per Chinese national holiday schedule |
5. Online Contact Form
If you would prefer us to contact you, please fill in the information below. We will respond within 24 hours (business days).
6. Quick FAQs
Q1: How can I obtain a product Datasheet?
You can download the latest version of the Datasheet directly from the product details page. If the Datasheet is not yet available for download on the product details page, please send a request to cmh@zjwic.cn with the product model number clearly indicated.
Please note: The product Datasheet is the Company's official technical document and serves as the sole basis for product selection and use. We do not guarantee the accuracy or timeliness of Datasheets obtained from unofficial sources. Customers should ensure they possess the latest version of the Datasheet and fully understand all technical specifications before bulk use.
Q2: How can I request samples?
Please submit your sample request via email to cmh@zjwic.cn, including your company name, application project, and estimated volume.
Q3: How can I get a quotation for bulk orders?
Please send an email to cmh@zjwic.cn with the product model, order quantity, and target shipping region. We will provide you with a quotation within 24 hours.
Q4: Do you support small quantity orders?
Yes. Some products support orders starting from 10pcs. Please refer to the product details page or contact customer service for more information.
Q5: Do you support international shipping?
Yes, we ship worldwide via SF International Express (or equivalent international courier). Please refer to our Shipping Policy for specific shipping rates and delivery times.
Q6: How are product quality issues handled?
If you encounter any quality issues, please contact us within 7 days of receipt. We will handle the matter in accordance with our Return and Refund Policy.
7. Important Notes
To ensure your inquiry is processed quickly and accurately, please provide the following information when contacting us:
- Your company name and industry sector
- The product model or technical issue you are inquiring about
- Your contact information (email and phone number)
- Your expected response time
We will handle your request as soon as possible. Thank you for your understanding and cooperation.