Send specifications or a drawing
Use email for structured requirements and attachments.
rfq@dqiaooptics.com →Start with a product, specification, drawing or application. Use the channel that fits the enquiry and include only the details you already know.
Use email for structured requirements and attachments.
rfq@dqiaooptics.com →Include the Dongqiao source, product name and page link where possible.
Chat on WhatsAppWeChat and WhatsApp use the centrally approved contact details.
+86 18066239964