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FREQUENTLY ASKED QUESTIONS

We have summarized the answers to some common questions, from which you can obtain answers
01 Free Samples? Yes, free small samples available, shipped within 1-3 working days.
02 MOQ? Flexible MOQ, standard 1kg, custom MOQ negotiable for special products.
03 Delivery Time? Standard orders: 3-7 days, bulk orders: 7-15 working days.
04 Payment? Support T/T, L/C, corporate transfer, Alipay, etc.
05 Customization? Yes, we offer custom specifications, purity and packaging solutions.
06 Certifications? We hold ISO, GMP, Halal, Kosher, FDA and other international certifications.
07 Export? Yes, export to 30+ countries, provide full customs clearance documents.
08 After-sales? 24/7 support, quality issues get refund/replacement within 7 days.
09 Contact Us? Reach us via phone, email, WhatsApp, we reply within 24 hours.
Our CommitmentContent
At Shaanxi Sigma Bio-Tech, we deliver high-quality plant extracts, reliable service and innovative solutions. We grow with global partners, uphold integrity and quality, and strive to be your trusted long-term supplier.