Terms of sale

Last updated 7 November 2026

1. Scope of supply

All products are supplied for laboratory research and development only. They are not for human or veterinary consumption, not for diagnostic use, and not for use as food, drug, cosmetic or medical device in any jurisdiction. The buyer confirms that it has the qualification and authorisation required where it operates.

2. Quotations and orders

Prices on this website are indicative list prices in USD per box of ten vials and are updated periodically. A quotation issued by email supersedes the site price and states the batch, the lead time and the payment terms. An order is accepted when we confirm it in writing.

3. Payment

Payment terms are stated on the quotation. Production or dispatch begins after cleared funds unless credit terms have been agreed in writing. Bank charges and intermediary fees are the buyer's account.

4. Delivery and risk

Goods are sold ex-works Guangzhou unless the quotation states otherwise. Risk passes on handover to the first carrier. Freight, insurance, duty, VAT, broker fees and any destination charges are the buyer's account. Lead times are estimates; customs delays are outside our control.

5. Import compliance

The buyer is responsible for confirming that the goods may be lawfully imported, held and used in the destination country, and for holding any licence, permit or registration that applies. We supply commercial documents and batch analysis; we do not act as the importer of record.

6. Inspection and claims

The buyer must inspect the shipment on arrival. Visible damage or a shortfall must be reported within 48 hours of delivery with photographs of the carton and contents. Claims raised later cannot be verified against carrier records.

7. Returns

Because these are temperature-sensitive research materials, opened or correctly delivered goods cannot be returned for credit. Where a lot fails to meet its certificate, we replace the affected vials or credit the line, at the buyer's choice, once the returned sample has been analysed.

8. Documentation

A certificate of analysis is issued per batch on request. We do not warrant any particular research result, and nothing in our documentation constitutes a protocol, dosage or medical advice.

9. Liability

Our liability for any order is limited to the invoice value of the goods concerned. We are not liable for indirect or consequential loss, including lost research time, lost profit or regulatory penalties.

10. Governing law

These terms are governed by the laws of the People's Republic of China, with the courts of Guangzhou having jurisdiction, unless a signed supply agreement states otherwise.