1. Contract, and its modification or cancellation

You will be deemed to have voluntarily accepted the constraints of these terms when you purchase the seller’s products. If you do not accept these terms, please cancel the order (Unless otherwise agreed by both parties in written form).

The buyer shall not cancel or change any binding contract or order without the seller’s prior written consent. The seller shall decide whether to approve the cancellation or modification of the contract based on the payment status of expenses incurred by both parties, including but not limited to storage or shipping costs, production costs of non-standard materials, purchase costs of non-refundable materials, and any other costs caused by the cancellation . If the buyer unilaterally cancels the order, it shall be deemed that the buyer agrees to bear the loss caused by the cancellation of the order. The detailed bill of expenses incurred during this process shall be verified by the seller and issued to the buyer as the final conclusive document.

2. Payment

The buyer shall accomplish the payment timely according to the instruction provided by seller.  If there is a need for reconciliation, the buyer shall reply to the reconciliation letter issued by the seller in writing within 5 days. Failure to reply in time shall be deemed as an approval. Otherwise, the loss thus caused shall be borne by the buyer.

3. Taxes and other expenses

Any use tax, sales tax, franchise tax, customs, inspection or testing fees, or other taxes and fees levied by the government in the transactions shall be paid by the buyer. If the seller is required to prepay any such taxes and fees, the buyer shall repay the seller in full for such prepaid taxes and fees. The buyer shall provide the seller with the proof of tax exemption and other documents required by the government when the above fees are charged while submitting the order to avoid paying such fees.

4. Pricing and price changes

Quotes on HDC’s website may be adjusted slightly at any time according to the market status and related factors. After the order is confirmed, the transaction shall be executed according to the contract.

5. Import and export control

The seller's products and services comply with all applicable Chinese laws, regulations and international agreements, including but not limited to the Regulations of the People's Republic of China on Administration of Import and Export of Goods. All buyers shall comply with all applicable laws and regulations when transferring, selling, importing, exporting these products and services.

6. Delivery and postponement

The seller shall deliver the goods according to the shipment term agreed by both parties. If one party delays or fails to perform its obligations under the contract signed by both parties (except payment obligations) due to force majeure, the party shall not be liable for such delay or failure. Force majeure includes, but is not limited to, acts of war or terrorism, fires, natural disasters, general shortage of raw materials or inability to obtain equipment or materials, energy or water, embargoes or other government actions, regulations or laws affecting the seller’s business activities, Requirements, any kind of infectious diseases, strikes or other labor-related difficulties, accidents, seizures, or any situations beyond reasonable control.

7. Guarantee

7.1 The buyer guarantees that the ordered goods are for legal purposes such as scientific research, and that it has all the qualifications and capabilities required by the law regarding the purchase of– the goods and that the qualifications and capabilities are continuously legal and valid during the validity period of the contract (or delivery period).

7.2 The seller guarantees timely response to the buyer's reasonable replacement request due to quality defects within a reasonable period.

7.3 The buyer has understood the seller’s various integrity management systems and has guaranteed that commercial bribery will not be used to influence the seller’s behavior in the sales process or the order implementation process. Otherwise, the buyer shall bear the losses caused to the seller.

8. Propaganda

Any marketing, promotion or other promotional materials referring to the seller, the seller’s affiliates, and the seller’s products, no matter it is in written or electronic form, shall be approved by the seller prior to use or publication.

9. Applicable law and dispute resolution

Any contract between the seller and the buyer and all claims arising therefrom, shall be governed by and construed in accordance with the laws of the People’s Republic of China and international common law. Any dispute arising out of the contract that cannot be amicably resolved between the parties shall be submitted to the local court of the seller for suit.