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Our minimum order quantity varies by product type. For powdered activated carbon, the minimum is typically 500 kg. For granular and extruded carbons, the minimum is usually 1000 kg. However, we can accommodate smaller quantities for testing and evaluation purposes. Contact us to discuss your specific needs.

Yes, we provide free samples (typically 1-5 kg) for qualified customers to test in their applications. We can also perform laboratory testing on your behalf to help determine the most suitable product for your needs. Simply contact us with your requirements and we'll arrange sample shipment.

For standard products in stock, we can typically ship within 1-2 weeks. For custom formulations or large orders, lead time is usually 4-6 weeks. We maintain strategic inventory to ensure quick delivery for most common products. Rush orders can often be accommodated - please contact us to discuss your timeline.

Absolutely! Our team of technical experts provides comprehensive support including product selection guidance, application testing, system design recommendations, troubleshooting assistance, and ongoing optimization. Technical support is complimentary for all our customers and we're available via phone, email, or video conference.

Yes, we specialize in custom formulations tailored to specific applications. We can modify particle size, pore structure, surface chemistry, and add special impregnations to optimize performance for your unique requirements. Our R&D team works closely with customers to develop and test custom solutions. Contact us to discuss your specific needs.