Contact Us
Request a quote, samples or technical support — our engineers reply within 24 hours.
Replies within 24 hours
50+ export countries
OEM / ODM welcome
Request a Quote
WhatsApp Our Export Team
Send Us Your Project Details
Tell us about your application, area size, voltage and target market — our engineers will reply within 24 hours with a product recommendation, quotation and lead time. We answer in English, German, French, Spanish, Italian, Portuguese, Russian, Dutch and Japanese.
What Happens After You Write
Same-day acknowledgement
We confirm receipt and assign an engineer or sales manager.
Technical review
We check your application and recommend the right product and power density.
Quotation
Pricing, MOQ, lead time and shipping options within 24 hours.
Sample or production
Samples ship in 3–7 days; production starts after confirmation.
How Fast Will You Hear Back?
We know that for importers, installers and procurement teams, a slow reply can mean a lost project window. Our commitment is simple:
Within 24 hours
Every enquiry gets a substantive first response — a direct answer or a clear note on who is working on it and when you will hear next.
Qingdao business hours
Mon–Sat, 9:00–18:00 GMT+8 — live messages answered almost immediately; overnight and weekend messages answered first thing the next working day.
Multilingual replies
English, German, French, Spanish, Italian, Portuguese, Russian, Dutch or Japanese — answered by the engineer or sales manager handling your market, not a translated template.
WhatsApp Us Directly
WhatsApp — fastest channel
For faster back-and-forth on specifications, quantities or samples, message our export team — the same engineers you would meet on a factory tour.
Email — quotes & support
Sales for quotes and orders: [email protected]
After-sales for warranty, installation and technical questions: [email protected]
Before You Write — Read the FAQ
Many of the questions we receive every day are already answered in detail, with real numbers: running costs, floor compatibility, sample lead time, MOQ, warranty periods, EXW/FOB/DDP terms and payment terms. Browse the Frequently Asked Questions page — most buyers find their answer there in under two minutes, and if your question is not covered, the FAQ page links straight back to this form.
Visit Our Factory in Qingdao
We welcome distributors, project contractors and end clients to walk the production lines, watch a spark test and inspect our quality laboratory in person. Our campus is a one-hour drive from Qingdao Jiaodong International Airport:
SUNAURA (QINGDAO) THERMAL TECHNOLOGY Co., LTD
Building 2, No. 407, Huaihe West Road, Huangdao District (West Coast New Area), Qingdao, Shandong, China.
Open in Google Maps
Open in OpenStreetMap
Prefer a video walkthrough or a live video call around the lines? Ask us on WhatsApp when you book your visit.