Terms for using this website and requesting a quotation
These terms apply to your use of yuannaitube.com and to inquiries sent through it. The website is operated by Hefei Yuannai Pneumatic Equipment Co., Ltd. (YUANNAI TUBE). By using the website you agree to these terms. A purchase is governed by the written quotation and order confirmation agreed between you and us.
Website information
Product pages, specification tables, data sheets and guides are provided for selection reference. Values follow the technical data sheets and are stated at 23°C unless noted. They do not guarantee that a product suits your application. Confirm the medium, pressure, temperature, fittings and any required standard for the exact model before ordering.
Some images on this website are illustrative and are not photographs of a specific product batch, project or facility.
Quotations and orders
A quotation is valid only for the period and conditions stated in it. Price, payment terms, packaging, delivery terms and acceptance criteria are set in the quotation and order confirmation.
Standard supply terms: the standard minimum order quantity is 500 m per specification, and custom specifications start at 3,000 m per specification. Lead time is 5–12 working days for standard products, 8–15 working days for FEP, PFA and high-pressure composite tubing, and 10–20 working days for custom products. Lead time starts after the technical specification is confirmed and the agreed payment is received. The final minimum order quantity and lead time are confirmed by material, specification, color, packaging and order quantity.
Samples
Standard specifications can be sampled at 1–3 m. The customer pays the sample fee and shipping. The sample fee can be credited against the first bulk order placed within 6 months; shipping is not credited.
Certificates and test reports
Certificates and test reports on this website apply only to the scope stated in each document. They do not extend to other products, models or conditions. Environmental or compliance statements such as RoHS or REACH require valid declarations or test reports for the actual product.
Intellectual property
The content of this website, the YUANNAI TUBE name and the AIR PASSAGE product trademark belong to Hefei Yuannai Pneumatic Equipment Co., Ltd. or are used with permission. Do not copy, republish or use them commercially without written permission.
Limits of liability
To the extent permitted by law, we are not liable for loss arising from relying on website information without confirming it for your application. Nothing in these terms limits liability that cannot be limited by law. Governing law and dispute resolution for a purchase are set out in the contract between you and us.
Privacy
How we handle information you send through the website is described in the privacy notice.
Changes and contact
We may update these terms and will publish the current version on this page. Last updated: 21 October 2026. For questions contact [email protected] or write to Hefei Yuannai Pneumatic Equipment Co., Ltd., No. 200 Gunqiao Road, Lujiang High-tech Industrial Development Zone, Hefei, Anhui, China.