Nanjing Spring & Autumn Biological Engineering Co., Ltd.
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Supplier - 1st
years
Diamond Supplier Enterprise Certification
Business Type:Trading Company
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Enterprise Certification
Country: 
China (Mainland)
Business Type:Trading Company
Tel: 86-180510-83338
Mobile: 18051083338
Tel: 86-180510-83338
Fax: 86-25-84430028
Province/state: Jiangsu
City: Nanking
Street: Suite# 210, No. 1 BuildingNanjing Agricultural Biotechnology High-tech Entrepreneurship Center, No. 4 Tongwei Road, Xuanwu District, Nanjing,China
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CAS NO.568-72-9
Nanjing Spring & Autumn Biological Engineering Co., Ltd. Which was founded at 2008, has an R & D team composed very experienced natural products chemists. The company is a high-tech enterprise engaged in functional health care products raw material. Functional cosmetic ingredients and natural drug intermediates. The company has R & D department, production department and sales department,
Specializing in R & D, production and sales of high purity plant derived active natural compounds and active plant extrects. In 2018. The subsidiary factory Weifang Huazhi Biological Technology Co., Ltd. Was
Established, and the company's production capacity was further improved.
Our business philosophy: Quality is the life of the company.
Our aim: Customer first, quality first, reputation first.
Our goal: Become excellent team in high purity natural products research and development.
English Name：Tanshinone IIA
CAS No.：568-72-9
Molecular Formula：C19H18O3
Molecular Weight：294.34
Molecular structure:
Identification methods：Mass, NMR
Analysis method：HPLC-DAD or/and HPLC-ELSD
Usage：For the determination and identification, pharmacological experiments.
Storage：4℃Refrigerated, sealed, dark.
Expiration：2 years
Package：20mg, 50mg, 100mg, 1g, 10g, 100g, 1kg... The company can provide a large number of high-purity Tanshinone IIA according to customer requirements.
Process flow diagram
Packing & Delivery
| Weight | Packing method |
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs,25kg or more | by Drums or carton (3 layers plastic bag inside) |
| Weight | Delivery mothod | Delivery time | Destination |
| 1kg-25kgs | EMS,DHL,UPS,Fedex,TNT | 3-7days | Door to door |
| 25kgs-100kgs | DHL,FedEx,by Air | 3-7days | Door to door (to Airport by Air) |
| more than 100kgs | by Air | 3-7days | Door to Airport |
| by Sea | 10-35days | Door to port |
Our Factory
FAQ
1. How do you confirm product quality before order
Free samples can be provided for your evaluation before ordering, and COA can be supplied of each batch products.
2. Can i get free samples
Yes, Free samples 1-30grams available based on product value.
3. How long can i get my order
Usually, the order will send within 1-3days after payment.
Shipping can by International Express(3-8days), by Air(3-5days), by Sea(8-35days) based on quantity and destination, or by your forwarder.
4. How is your customer service
We provide 24-hour online service by Lookchem, or by email, Skype, Whatsapp, telephone.