Q1: How can I obtain a Certificate of Analysis (COA)?
With shipment: A COA is automatically provided when goods are dispatched.
Pre-order requests: Reference COAs are available upon request.
Note: All COAs are sent via email by our sales team.
Q2: What is the minimum order quantity (MOQ)?
Standard orders (sea shipment): 200 kg for each product.
Sample quantities: Available in 250 mL, 500 mL, 1 L, or 25 L packaging.
Custom/Special products: Contact ChangFu sales team for tailored solutions.
Q3: What is the shelf life of your products?
Range: 3–24 months from shipment date.
Storage: Kept in original, unopened containers under specified conditions.
Details: Refer to the Safety Data Sheet (SDS) for each product.
Q4: What payment methods do you accept?
Bank transfer (T/T).
PayPal, Alipay, WeChat Pay, Western Union.
L/C payments accepted for orders over $100,000.
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