Who We Are

Nanjing Spring & Autumn Biological Engineering Co., Ltd. has a R & D team composed by experienced natural products chemists. The company is a high-tech enterprise engaged in the extraction and separation of chemical compositions from plants, and focusing on the research and production of standard reference materials, pharmacology used natural intermediates, bulk grade natural products, high purity plant extracts and active parts, TCM intermediates, and TCM crude materials.

We  have R & D department, production department, sales department and other departments. We have our own chemical research laboratory and 2000 m2 factory. R & D department is located in Jiangsu Life Science and Technology Innovation Park. Factory is in Shandong Province ; The production department is responsible for product processing, quality assurance and improvement, manufacturing cost control and reduction, production efficiency improvement, and production equipment management. The sales department is located in Jinling Biomedical Technology Industrial Park. It is responsible for collecting market information, formulating sales plans, designing marketing channels, and implementing sales.

Why Us


High Quality

We specialize in producing high quality and natural  plant extracts

In-house Testing

We have a professional R&D team who are National grade for the test.


We have Advanced equipment and National laboratory

Comprehensive Range

We are professional manufacturer, good service, affordable products

We are 24 hours online service one station purchasing service

Featured Products

We offer you high quality products and professional services!

  • Natural Plant extract Naringenin

    Naringenin is a natural flavonoid and is widely present in the rue family pomelo. It is mainly derived from naringin hydrolysis and has white needle-like crystals. It is widely used in food, medicine, health products and other fields.

  • Ginsenoside Rg5

    • Product Name: Ginsenoside Rg5
    • CAS: 186763-78-0
    • Remarks:Purity: 99% | Package: 100g,500g,1KG,10KG,100KG
  • Ginsenoside Rg3

    English name: GinsenosideRg3 English synonym: GINSENOSIDERG3; 2-[[4,5-dihydroxy-2-[[12-hydroxy-17- (2-hydroxy-6-methylhept-5-en-2-yl) -4,4 , 8,10,14-pentamethyl-2,3,5,6,7,9,11,12,13,15,16,17-dodecahydro-1H-cyclopenta [a] phenanthren-3-yl] oxy]- 6- (hydroxymethyl) -3-oxany; GinsenosideRG3NaturalPlantExtractsHPLC15% 50% 98% 14197-60-5; GinsenosideRg3, ≥98% (HPLC); opyransoyl) oxy)-; (3beta, 12beta) -12,20-dihydroxydammar-24 -en-3-yl2-o-beta-d-glChemicalbookucopyranosyl-beta-d-glucopyranoside; 20 (s) -ginsenoside-rg3; (20S) -PROPANAXADIOL

  • Pachymic acid

    English Name:Pachymic acid
    English alias:
    CAS No.:29070-92-6
    Molecular Formula:C33H52O5
    Molecular Weight: 528.76
    Appearance:off-white powder

  • 1% 3% 5% 9% cordycepin,3′-DEOXYADENOSINE(3’-deoxy-adenosin)

    CAS No.: 73-03-0
    Molecular Formula: C10H13N5O3
    Molecular Weight: 251.24
    Identification method:Mass, NMR
    Analysis method:HPLC-DAD or/and HPLC-ELSD
    Purity: >98% by HPLC
    Package: 1g, 10g, 100g, 1kg, 50kg…Our company can provide a large number of high-purity Cordycepin according to your requirements.
  • Xanthohumol


    CAS No.: 6754-58-1

    Extraction Source:Humulus lupulus Linn.

    (We are the manufacturer,so we can accept customer customization)
    Identification method:Mass, NMR
    Analysis method: HPLC
    (This is important. Different methods of testing may cause different results,even with the same batch. )
  • Astragaloside IV

    English Name:Astragaloside IV
    English alias:Astrasieversianin XIV; AstraversianinXIV; CyclosieversiosideF; Cyclosiversioside F
    CAS No.:84687-43-4
    Molecular Formula:C41H68O14
    Molecular Weight: 784.98

  • Cycloastragenol

    English Name:Cycloastragenol
    English alias:
    CAS No.:78574-94-4/ 84605-18-5
    Molecular Formula:C30H50O5
    Molecular Weight: 490.71


Trusted Partner

Nanjing Spring Autumn Biological Engineering Co., Ltd.’s professional and creative team are always ready to provide visionary technical support in plant extract for all clients.

Nanjing Spring Autumn Biological Engineering Co., LtdDirector - Websun plant extract