Frequently Asked Questions

Our standard process: Inquiry → Quotation → Sample → Contract → Production → Delivery → After-Sales. You can start by emailing us at sales@chemicalbook.shop or calling +86-15288742231. We typically respond with a full technical quote within 24 hours.

MOQ varies by product. For most commodity chemicals, MOQ starts at 1 kg. For specialty or high-purity reagents, MOQ may be as low as 100 g. We also cater to small-batch laboratory purchases -- please contact us for flexible pricing on small quantities.

We accept T/T (Bank Wire Transfer), L/C (Letter of Credit), and PayPal for international orders. Standard terms are 30% deposit upon contract signing and 70% balance before shipment. For long-term customers, net payment terms may be arranged.

Our team guarantees a detailed quotation -- including product specs, pricing, lead time, and available documentation -- within 24 hours of receiving your inquiry on business days. Urgent requests can be handled within a few hours; please mark your email as urgent or call us directly.

We ship to 128+ countries worldwide. Our primary markets include Asia-Pacific, Europe, North America, the Middle East, and Southeast Asia. All shipments comply with international chemical transport regulations (IATA, IMDG, ADR). Please confirm your country's import restrictions before ordering hazardous materials.

• In-stockReady to ship within 3-5 business days after payment confirmation.
• CustomProduction and delivery within 10-25 business days depending on quantity.
• ExpressDHL / FedEx air freight available for urgent small orders.

All hazardous materials are packaged in compliance with UN-certified containers and shipped with complete documentation: MSDS, Dangerous Goods Declaration, and Packing Certificate. We work with certified freight forwarders experienced in chemical logistics. GHS labels are applied to every package.

Yes. Once your order is dispatched, you will receive a tracking number via email. For sea freight, we provide Bill of Lading details and estimated arrival date. For air/express shipments, real-time tracking is available through the carrier's website. Our team proactively monitors all active shipments and will notify you of any delays.

If a product fails to meet the agreed specifications (purity, grade, or CoA parameters), please contact us within 7 days of receipt with test results and photos. We will arrange a free replacement shipment or issue a full refund depending on the situation. Our quality guarantee is backed by ISO-certified production.

Yes. Our technical team provides ongoing support including application guidance, storage recommendations, handling instructions, and regulatory compliance advice. You can reach our technical support team via email at sales@chemicalbook.shop. Response time is typically within 24 hours.

Returns are accepted for quality-related issues only, within 14 days of receipt. Due to the nature of chemical products, returns for change-of-mind are not accepted once goods have been opened. For damaged or incorrect items, we cover all return shipping costs. Refunds are processed within 5-10 business days after the returned goods are inspected.

Absolutely. We provide a complete export documentation package: Commercial Invoice, Packing List, Certificate of Origin, MSDS, Inspection Certificate (SGS/BV available), and any country-specific compliance certificates. Our logistics team has extensive experience with chemical import regulations across 128+ countries.