Huzhou Xintiansi Bio-tech Co.,ltd.

Huzhou Xintiansi Bio-tech Co, Ltd is a joint venture invested by Huzhou Daybreak Imp & Exp Co., Ltd and Huzhou Tiansi Daily Chemical Co., Ltd, specialized in Silkworm Industrial R&D, manufacturing and marketing in China. Our company has passed ISO9001 certification and the annual production is about 120 tons,Registered capital of the company is RMB5 million USD0.73 million equivalent and the annual turnover is RMB26 million USD3.82 million equivalent.


Huzhou Tiansi Daily Chemical Co. Ltd, which is the earliest company in Silkworm Industrial R&D and commercialization with the cooperation and guide of Shanghai Entomic Lab of China Science Academy since 1975, has gained great research achievements in the field of Silkworm resources’ functional applications. The high purified Silk Peptide and Soluble Sericin Powder are ranged in Zhejiang Province Hi-tech Products and obtained by Zhejiang Province Innovation Fund respectively. The firm was awarded the agricultural science and technology enterprises in Zhejiang Province, as well as the producer of export food. We are continuing the cooperation with Suzhou University, Zhejiang University of Technology and Zhejiang Silk Research Lab.

Our innovative products have two main sources, silk and silkworm pupa, including Silk mixed Amino Acids, Silk Peptide, Soluble Sericin Powder, Silk Powder, Silkworm Pupa complex Amino Acids and High Zinc Instant Protein Powder. 90% of them are exported abroad, mainly to Japan, South Korea, the United States, and European Union, Hong Kong, Taiwan and other countries and regions. With superiority in the research of silk protein, we developed and started to produce skin-friendly Products with Silk Protein, The main products are sanitary towel and pantyliners with the brand “Story of Silk”, which have been claimed for one national inventive patent and three innovative practical patents sold very well in the markets and got very good reputations by customers because of their excellent skin care,moisture adjustment and antibiotic function.

We have that together with our colleagues, our company will continue to develop the comprehensive utilization of silk resources and their functional applications, and make contributions to the benefits of mankind.

Our Products/Services: Silk Amino Acids, Silk Peptide, Sericin Powder, Silk Protein Powder (Fibroin Powder), Rich Zinc Protein Powder, Silkworm Pupa Amino Acids

High Zinc Protein Powder
High Zinc Protein Powder is a kind of complete protein with rich organic Zinc, extracted from fresh silkworm pupa. ...
Product Category: Food Additives
Product Group: Protein Powder

Silkworm Pupa Amino Acid
Silkworm Pupa Amino Acid is yellowy powder, made from defatted silkworm pupa. It’s soluble in water with PH value ...
Product Category: Amino Acids
Product Group: Silkworm Pupa Amino Acid

Silk Powder
Common name: Silk powder INCI name :Silk Powder (CAS NO. 9009-99-8) Appearance: Light yellow powder Solubility : ...
Product Category: Fine Chemicals
Product Group: Silk Powder

Sericin Powder
Common name: Sericin powder INCI name : Sericin (CAS NO. 60650-89-7 and 60650-88-6) Appearance: Light yellow ...
Product Category: Fine Chemicals
Product Group: Silk Peptide

Silk Peptide
Common name: Silk peptide powder INCI name : Hydrolyzed silk (CAS NO. 73049-73-7) Appearance: Light yellow ...
Product Category: Fine Chemicals

Silk amino acid
It is also called the " Silk Essence " or “Silk 90”, whose main composition are free amino acids and ...
Product Category: Amino Acids
Product Group: Silk Amino Acid