QSC (Qingdao Sigma Chemical) (“QSC,” “we,” “our,” or “us”) specializes in the manufacture and global distribution of research-grade peptides.
With peptide manufacturing operations in China and warehouse distribution in the USA, EU, UK, Canada, and Australia, we implement data protection practices aligned with applicable international standards, including GDPR principles and relevant global data protection regulations.
This Privacy Policy explains how we collect, use, and safeguard your information when you visit qsc-usa.com or place an order.
1. Information We Collect
Personal Information
We collect personal information you voluntarily provide when you:
Place a research peptide order
Submit a custom peptide synthesis inquiry
Contact customer support
This may include:
Full name
Email address
Phone number
Billing and shipping address
Company or laboratory name (if applicable)
Cryptocurrency Payment Information
QSC accepts cryptocurrency payments only, including payments processed via Blockonomics.
We do not collect or store:
Credit card information
Bank account details
Cryptocurrency transactions occur directly on the blockchain. For order verification, accounting, and compliance purposes, we may retain:
Wallet addresses
Transaction IDs
Payment confirmation records
Invoice/payment status logs
This information is used strictly for order validation, fraud prevention, accounting, and operational compliance.
Transactions sent incorrectly, to the wrong address, or without required confirmations cannot be reversed.
Usage & Technical Data
We may automatically collect limited technical data, including:
IP address
Browser type
Device information
Pages visited
Referring URLs
This data is used for:
Website security
Performance optimization
Fraud prevention
Analytics
Voluntary Submissions
If you voluntarily submit laboratory test results, analytical reports, or quality documentation related to QSC peptides, this information is stored solely for internal quality review, batch verification, and business evaluation.
2. How We Use Your Information
We use collected information strictly for legitimate operational purposes related to peptide manufacturing and distribution.
This information is shared solely to complete delivery.
Quality Assurance & Compliance
Maintaining transaction records
Supporting COA batch verification
Meeting accounting and regulatory requirements
Marketing Communications
We may send operational announcements or product updates. You may unsubscribe at any time.
Security & Fraud Prevention
We monitor transactions and website activity to:
Prevent misuse
Detect unauthorized access
Reduce fraud risk
We do not sell, rent, or trade personal information to third parties.
3. International Data Transfers
Due to our global operational structure:
Peptide manufacturing is conducted in China
Distribution occurs from warehouses in the USA, EU, UK, Canada, Australia, and China
Customers may be located worldwide
Your information may be transferred across jurisdictions as necessary for order fulfillment and operational purposes. Appropriate safeguards are implemented to ensure secure handling of international data transfers.
4. Data Protection & Security
We implement industry-standard safeguards, including:
Encryption
Sensitive data is encrypted during transmission using SSL/TLS protocols.
Restricted Access
Personal information is accessible only to authorized personnel involved in order processing, logistics, compliance, or quality control.
Secure Infrastructure
Systems are monitored to reduce the risk of unauthorized access, misuse, or data breaches.
Data Retention
Transaction and accounting records may be retained for up to 7 years where legally required.
Marketing data is retained until you opt out.
Eligible data may be deleted upon verified request, subject to legal and accounting obligations.
5. Cookies & Tracking Technologies
We use cookies to:
Enable core website functionality
Improve site performance
Enhance fraud prevention and security
You may manage cookie preferences through your browser settings.
6. Your Rights
Depending on your jurisdiction, you may have the right to:
Request access to your personal data
Request correction of inaccurate data
Request deletion of personal data (subject to legal retention requirements)
In the unlikely event of a data breach affecting personal information, QSC will notify affected individuals and relevant authorities in accordance with applicable legal requirements.
8. Policy Updates
This Privacy Policy may be updated periodically to reflect operational, technical, or regulatory changes. The latest version will always be posted on our website with the updated effective date.
By using our website or placing a research peptide order, you acknowledge and accept the practices described in this Privacy Policy.
