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CoStrict Purchase Terms

To regulate the purchase and use of CoStrict AI programming services and protect the legitimate rights and interests of both users and Sangfor, these purchase terms are hereby established. Please read these terms carefully before making a purchase.

1. Product Plans and Pricing​

1.1 Plan Types​

CoStrict currently offers the following Credits packages:

Plan NamePriceCredits AmountValidity Period
Package 1¥501000 Credits30 days
Package 2¥2004,200 Credits30 days
Package 3¥50010,800 Credits30 days

1.2 Credits Consumption Rules​

  • Different AI models consume different amounts of Credits per call
  • Specific consumption rates are subject to real-time display on the CoStrict official website
  • Sangfor reserves the right to adjust Credits consumption rates for each model based on operational needs without prior notice to users
  • Users can check current Credits consumption standards for each model in the CoStrict client or official website

1.3 Price Adjustments​

Sangfor reserves the right to adjust product prices. Price adjustments will be simultaneously announced on the CoStrict official website. Credits already purchased will not be affected by price adjustments.

2. Purchase and Delivery​

2.1 Purchase Channels​

Users purchase CoStrict Credits packages through the CoStrict official website pricing page.

2.2 Credits Arrival Time​

Instant

2.3 Payment Methods​

  • WeChat Pay
  • Alipay
  • Bank card payment

2.4 Invoice Issuance​

  • Users can apply for invoice issuance in the CoStrict Management Platform page - [Subscription] - [Activation Records] - [Actions] - [Go to Invoice]
  • Fill in the corresponding invoice information and submit the application

3. Credits Usage Rules​

3.1 Validity Period​

  • All purchased Credits are valid for 30 calendar days
  • The validity period starts from the date when Credits are successfully recharged and credited
  • Credits that expire unused will automatically become invalid and will not be refunded

3.2 Usage Order​

  • If users purchase multiple times, Credits will be consumed in order of expiration time
  • Credits that are about to expire will be consumed first

3.3 Transfer Restrictions​

  • Credits cannot be transferred, gifted, or sold to third parties
  • Violation of transfer restrictions may result in Sangfor freezing the relevant account

4. Delivery Exception Handling​

4.1 Recharge Delays​

  • If Credits do not arrive within the promised time, users can contact customer service to check the progress
  • Customer service will reply with processing results within 1 hour

4.2 Account Issues​

  • If the user's CoStrict account does not exist or is frozen, please resolve the account issue first
  • We will complete Credits recharge after the account returns to normal

5. Service Changes and Termination​

5.1 Service Adjustments​

  • Sangfor reserves the right to adjust service content, features, etc.
  • Major adjustments will be announced 30 days in advance on the official website page

5.2 Service Termination​

If service is terminated due to the following reasons, purchased Credits will not be refunded:

  • User violates service agreement or relevant laws and regulations
  • User maliciously attacks or abuses the service
  • Other serious violations

6. Special Statements​

6.1 Credits Nature​

  • Credits are virtual service points and do not have cash value
  • Credits cannot be exchanged for cash or other valuable items
  • Credits can only be used to purchase CoStrict services

6.2 Liability Limitations​

  • Users should ensure their CoStrict account is normal and available

6.3 Service Restrictions​

  • This service is only for legal purposes and prohibited for illegal activities
  • Users should comply with relevant laws and regulations and CoStrict usage specifications
  • Sangfor reserves the right to restrict abnormal usage behavior

7. Customer Support​

7.1 Contact Information​

  • CoStrict Customer Service Email: zgsm@sangfor.com.cn
  • Customer Service Hours: Working days 9:00-18:00

7.2 Issue Handling Priority​

  1. Recharge arrival issues - Reply within 1 hour
  2. Account-related issues - Reply within 2 hours
  3. Usage consultation issues - Reply within 4 hours

8. Dispute Resolution​

8.1 Dispute Handling​

  • Disputes regarding CoStrict services shall first be resolved through negotiation between both parties
  • If negotiation fails, it shall be submitted to the jurisdiction of the People's Court where Sangfor is located

8.2 Terms Modification​

  • Sangfor reserves the right to modify these purchase terms
  • Modified terms will be simultaneously announced on the CoStrict official website
  • Continued purchase and use of services constitutes acceptance of the modified terms

9. Other​

9.1 Terms Effectiveness​

  • These terms, together with the "CoStrict Fee Details," "CoStrict Service Level Agreement" constitute a complete service terms system
  • In case of conflicts, specific terms shall prevail

9.2 Scope of Application​

This terms only apply to CoStrict Credits packages purchased through the CoStrict payment page.

Last updated: January 2026

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