Fresh Batch of Genipin 99% (CAS: 6902-77-8) Released — Ready for Global Supply December 26, 2025 New Production of Genipin 99% Now Available Dear Valued Customers and Partners, We are pleased to announce that a new batch of Genipin 99% (CAS: 6902-77-8) has been successfully produced and offici...

Fresh Batch of Bakuchiol 98% (CAS: 10309-37-2) Released — Ready for Global Supply December 26, 2025 Fresh Production of Bakuchiol 98% Now in Stock Dear Valued Customers and Partners, We are delighted to announce that a new batch of Bakuchiol 98% (CAS: 10309-37-2) has been successfully produced...

?? Christmas Greetings from Nanjing Spring & Autumn Biological Engineering Co., Ltd. As Christmas approaches, we would like to take this opportunity to extend our warmest greetings and sincere thanks to all our global partners, customers, and friends. Over the past year, your trust and support h...

Fresh Batch of Celastrol 98% (CAS: 34157-83-0) Released — Ready for Global Shipment! November 6, 2025 Fresh Batch of Celastrol 98% Now Available November 6, 2025 Dear Valued Customers and Partners, We are delighted to announce that a new batch of Celastrol 98% (CAS: 34157-83-0) has been freshl...

Fresh Batch of Naringenin 98% Now AvailableOctober 14, 2025 Dear Valued Customers and Partners, We are pleased to announce that a new batch of Naringenin 98% (CAS: 480-41-1) has been freshly produced and is now available in stock at Nanjing Spring & Autumn Biological Engineering Co., Ltd. Our Na...

Dear Valued Customers and Partners, Thank you for your continuous trust and support to Nanjing Spring & Autumn Biological Engineering Co., Ltd. Please be informed that our company will be closed for the upcoming National Day and Mid-Autumn Festival Holiday from October 1st (Wednesday) to October...

FOR IMMEDIATE RELEASENanjing Spring & Autumn Biological Engineering Co., Ltd. ?? High-Purity Epicatechin: Power Your Formulations with Elite BioactivityWe proudly launch our new batch of Epicatechin ≥98% (CAS: 490-46-0), a clinically revered flavonoid extracted from Camellia si...

FOR IMMEDIATE RELEASENanjing Spring & Autumn Biological Engineering Co., Ltd. ?? High-Purity Tangeretin 98%: Unlock Advanced Bioactive Benefits We proudly announce the global release of our new batch of Tangeretin 98% (CAS: 481-53-8), a potent citrus flavonoid extracted from Citrus re...

FOR IMMEDIATE RELEASENanjing Spring & Autumn Biological Engineering Co., Ltd.  07/07/2025   ?? Premium Nobiletin 98%: Purity Meets Power We are thrilled to announce the successful outbound shipment of our latest batch of Nobiletin 98% (CAS: 478-01-3), a high-purity citr...

Nanjing, China  – Nanjing Spring & Autumn Biological Engineering Co., Ltd. is honored to announce its official recognition as a Science and Technology Small and Medium-sized Enterprise (SME) by Jiangsu Provincial authorities. This prestigious designation validates our innovative...

Nanjing, China  – Nanjing Spring & Autumn Biological Engineering Co., Ltd. proudly announces the successful attainment of Environmental Impact Assessment (EIA) certification, a critical milestone underscoring our dedication to sustainable operations and ecological responsibility. Thi...

Nanjing, China – Nanjing Spring & Autumn Biological Engineering Co., Ltd. is proud to announce the successful attainment of the ISO 9001:2015 Quality Management System certification. This milestone underscores our unwavering commitment to excellence, operational efficiency, and custo...