Zelvanp™ is owned and operated by Hangzhou Chengye Technology Co., Ltd. | Legal Representative: Zheng Zhihua | Email: service@zelvanp.com | Phone: +86 18620308039
Business Address: Room 295, Block A, Building C, No. 958 Xixi Road, Liuxia Subdistrict, Xihu District, Hangzhou City, Zhejiang Province
Customer Support Center
Zelvanp™ provides assistance for product questions, existing orders, transportation concerns, tracking matters, return requests, refund inquiries, damaged products, incorrect products, and general website questions.
Contact Channels
Customer Support Email: service@zelvanp.com
Customer Support Phone: +86 18620308039
Service Request Availability: Email requests may be submitted at any time
Normal Customer Support Handling: Within 3 business days
Email submissions may be sent at any time. This does not mean live staff are continuously available.
Customer service requests are normally reviewed and responded to within 3 business days.
A separate fixed daily staffed telephone schedule has not been provided.
Information to Include
Providing accurate information can help us review a request more efficiently.
Where applicable, please include:
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Order number;
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Product name;
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Clear description of the question or concern;
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Transportation or tracking information;
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Delivery date;
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Relevant photographs;
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Relevant video.
Please avoid including confidential information that is unrelated to the matter being reviewed.
Product Questions
Customers may contact us before ordering if additional information about a product is required.
Please identify the applicable product and explain which details require clarification.
We will make reasonable efforts to respond using product information available to us.
Existing Order Requests
If a customer wishes to request a modification to an existing order, customer support should be contacted as soon as possible.
Whether a requested modification can be completed depends on the actual preparation and dispatch status.
Some changes may no longer be technically possible after fulfillment or carrier handling has progressed.
Transportation Support
Estimated transportation time is generally 3–7 business days after dispatch.
If tracking remains unchanged for an unusual period, the shipment appears materially delayed, or a parcel cannot reasonably be located, contact:
Email: service@zelvanp.com
Phone: +86 18620308039
Please provide the relevant order number and available tracking information.
Damaged, Defective, or Incorrect Goods
If a product arrives damaged, defective, incorrect, incomplete, or materially different from its description, contact us promptly.
We may request photographs or video where reasonably useful for understanding the issue.
After reviewing the available information, an appropriate resolution will be determined according to the circumstances.
Return Assistance
Eligible products may be returned within 30 calendar days after delivery, subject to our Return Policy.
Customers should contact us before sending any item.
The public business address shown on this website identifies Hangzhou Chengye Technology Co., Ltd. as the operator of Zelvanp™. It should not automatically be treated as the return destination for every order.
The appropriate return instructions and destination will be provided after an eligible request has been reviewed.
Refund Assistance
Approved refunds are generally completed within 7–10 business days after the applicable review and approval process.
If the stated timeframe has passed and assistance is required, contact:
Email: service@zelvanp.com
Phone: +86 18620308039
Please provide the relevant order number.
Support Review Standard
Most customer service requests are normally reviewed and responded to within 3 business days.
Matters requiring carrier investigation or additional product review may require further investigation.
Official Business Contact
Brand: Zelvanp™
Company: Hangzhou Chengye Technology Co., Ltd.
Legal Representative: Zheng Zhihua
Business Address: Room 295, Block A, Building C, No. 958 Xixi Road, Liuxia Subdistrict, Xihu District, Hangzhou City, Zhejiang Province
Email: service@zelvanp.com
Phone: +86 18620308039
Normal Support Handling: Within 3 business days