General

Herays is a DC axial fan manufacturer led by an engineering team with over 30 years of combined experience in DC fan design and production, based in China. We focus specifically on DC axial and blower fans for industrial and B2B applications.

Yes, qualified customers are welcome to visit our factory by appointment. Please contact our sales team in advance to schedule a visit and arrange any necessary details.

We offer a standard warranty covering manufacturing defects under normal use conditions; specific warranty duration can vary by product series. Please confirm warranty terms with our sales team for your selected model.

You can reach our technical team directly via email or WhatsApp for troubleshooting, replacement parts, or application questions after your purchase. We aim to respond to technical inquiries within 1 business day.

Yes, our sales and technical support team communicates fluently in English and regularly works with international B2B customers across different time zones.

Our fans are used across telecom equipment, server and data center cooling, industrial machinery, power supplies, LED lighting, medical devices, and other applications requiring reliable forced-air cooling.

Send us the model number, or describe your application and required specifications, and our team will send the corresponding datasheet (PDF) with full dimensional drawings and performance curves.

Fair question, and one every overseas buyer should ask before committing to a supplier. We welcome factory audits (in-person or via video call), can share our export license and production line details, and are happy to walk you through our manufacturing process for the specific model you’re evaluating. If a supplier is reluctant to answer this directly or show their production floor, that’s usually a sign they’re a trading company rather than the manufacturer.

Yes, where confidentiality agreements allow. We can share the industries and application types we commonly supply (telecom, data center, industrial machinery, etc.) and, where a reference customer has agreed to be cited, connect you with relevant case examples. Let us know your industry and target application so we can point you to the most relevant experience.