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Contract subject matter: 
- Clearly and comprehensively describe the subject matter (goods, products, services, quality, warranty, exemption rates, etc.).
- Ensure it does not violate the law or prohibited regulations.
 
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Price and payment: 
- Agree on clear and appropriate pricing (fixed or variable).
- Review payment methods, deadlines, and conditions.
 
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Performance timeline: 
- Check the contract’s term, effective date, and conditions for extension or renewal.
 
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Rights and obligations of the parties: 
- Ensure full compliance with obligations to avoid contractual breaches.
 
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Transportation: 
- Specify transportation methods, cost responsibilities of each party, risk transfer timing, inspection processes, and complaint procedures if necessary.
 
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Penalties and damages: 
- Ensure this clause complies with the Commercial Law (maximum penalty of 8% of the breached obligation’s value).
- Include obligations to notify the other party of any violations.
 
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Termination/Cancellation of the contract: 
- Review conditions, circumstances for termination or cancellation, legal consequences, and responsibilities of the parties.
 
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Force majeure/hardship circumstances: 
- Clearly define force majeure or hardship circumstances for exemption from obligations.
- Specify measures to mitigate risks in such cases.
 
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Supplementary clauses: 
- Review additional clauses to protect the parties’ rights (security measures, product warranties, goods insurance, confidentiality clauses, etc.).
 
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Disputes: 
- Clearly stipulate the choice of commercial arbitration or court jurisdiction.
- Ensure arbitration clauses comply with the rules of the selected arbitration center.
- Consider location and governing law.