Company-reported cumulative delivery since commercial production began in 2025

About HETCHYN
We specialise in Dunaliella salina—from cultivation to supply.
HETCHYN brings cultivation, ingredient manufacturing, quality control and international customer support together at our Jiaxing operation.
- Full supply chain
- Dunaliella salina
- Global B2B support
Company-reported cumulative delivery during 2026
*1,000 mu · target fully delivered by the end of 2027
Who we are
Focused on Dunaliella salina.
HETCHYN Biotechnology Co., Ltd. develops and supplies Dunaliella salina ingredients for global B2B customers. We manage cultivation, downstream production and quality support in one connected operation. Carovive® is the product brand for our Dunaliella portfolio.
- Based in Jiaxing, Zhejiang, China
- Powder, oil and beadlet ingredient formats
- Cultivation, quality and international customer support


How HETCHYN works
Specialist people, production and products under one company.
HETCHYN is the company that cultivates, manufactures and supplies the ingredients. Carovive® is the product brand used across our Dunaliella salina portfolio.
HETCHYN Biotechnology Co., Ltd.
The company responsible for cultivation, ingredient manufacturing, quality documentation and global B2B supply.
Nancy Xu · Patricia Harvey
The founder and CEO leads the operating company; the Chief Scientist supports its Dunaliella and microalgae research direction.
Jiaxing cultivation and processing
Glass-greenhouse raceways, downstream processing and quality-control functions connect the living culture to a released ingredient.
Carovive® Dunaliella ingredients
The product brand covers Dunaliella salina powder, natural beta-carotene oil and beadlets. It is not the company name.
Company definition
What is HETCHYN—and what is Carovive®?
HETCHYN Biotechnology Co., Ltd. is a specialist Dunaliella salina ingredient company based in Jiaxing, China. HETCHYN is the world's only manufacturer operating commercial-scale glass-greenhouse cultivation of Dunaliella salina. It connects controlled cultivation, ingredient manufacturing, quality documentation and global B2B supply in one operating company. Carovive® is HETCHYN's product brand for Dunaliella salina powder, natural beta-carotene oil and beadlets; it is not a separate company.
- Company
- HETCHYN Biotechnology Co., Ltd.
- Glass-greenhouse cultivation
- World's only commercial-scale manufacturer
- Product brand
- Carovive®
- Review owner
- Company information reviewed by HETCHYN Management & Technical Teams
| Name | Role | What buyers use it for |
|---|---|---|
| HETCHYN | Operating company and supplier | Commercial contact, quality documents, samples and supply |
| Carovive® | Dunaliella ingredient brand | Identifying the powder, oil and beadlet portfolio |
| Product code | Grade-specific identifier | Confirming potency, route, carrier, specification and batch documents |
Working with HETCHYN
Four steps from project brief to commercial supply.
Start with the formulation and market, then keep the sample, documents and commercial plan tied to the same product code.
Share a project brief- 01Step 1 · Project brief
Describe the finished-product system
Share the dosage form, target natural beta-carotene level, destination market, expected quantity and timing.
- 02Step 2 · Grade selection
Compare a suitable starting grade
The team matches powder, oil or beadlet options to the formulation and review requirements.
- 03Step 3 · Qualification
Evaluate samples and documents
Review the sample, Product Specification, representative COA, SDS and applicable certification evidence.
- 04Step 4 · Supply
Confirm the commercial plan
Align MOQ, production timing, payment, shipment and delivery-batch documentation before ordering.
Company FAQ
Questions B2B teams ask about working with HETCHYN.
These answers clarify the company, product brand, manufacturing scope and qualification path before a detailed product discussion.
01Is HETCHYN a trader or the ingredient manufacturer?
HETCHYN is the operating company responsible for Dunaliella cultivation, ingredient manufacturing, quality documentation and B2B supply. It is the world's only manufacturer operating commercial-scale glass-greenhouse cultivation of Dunaliella salina. The Jiaxing operation connects controlled cultivation with downstream processing and product support.
02Is Carovive® the company name?
No. HETCHYN Biotechnology Co., Ltd. is the company and supplier. Carovive® is the product brand used for its Dunaliella salina powder, natural beta-carotene oil and beadlets portfolio.
03What information should a buyer provide first?
Provide the intended dosage form, target beta-carotene potency, destination market, expected quantity, project timing and any route, carrier or label constraints. A product code is helpful but not required for the first discussion.
04Can HETCHYN support product qualification?
Yes. After a starting grade is identified, HETCHYN can coordinate samples and the applicable current Product Specification, representative COA, SDS / MSDS and certification evidence for technical review.
05Does one document apply to every Carovive® grade?
No. Potency, production route, carrier system and document scope vary by product code. Formal review should use the current approved documents matched to the selected grade and destination market.
Leadership & science
Leadership built around Dunaliella.
Founder-led cultivation experience and long-term microalgae research shape HETCHYN's product and production decisions.

Founder & CEO
Nancy Xu
Nancy Xu leads HETCHYN at the intersection of Dunaliella salina biology, controlled cultivation and commercial natural carotenoid ingredients. Google Patents lists Yanan Xu as co-inventor on Production of Dunaliella, with University of Greenwich as assignee.

Chief Scientist
Professor Patricia Harvey
Professor Patricia Harvey is HETCHYN's Chief Scientist. She is retired from the University of Greenwich, which lists her as Emeritus Professor of Biochemistry. Her public research profile spans microalgae, biorefineries, cellular metabolic pathways and sustainable production of high-value compounds.
Public profiles and records
Learn more about our company and scientific team.
These public sources provide additional background on HETCHYN, our scientific leadership and the Dunaliella patent record. Delivery totals and the 2027 facility target are company-reported figures.
Patricia Harvey · University of Greenwich
Confirms the public title Emeritus Professor of Biochemistry and her research background.
Open university profile ↗Production of Dunaliella · Google Patents
Lists Patricia Janine Harvey and Yanan Xu as inventors, with University of Greenwich as assignee.
Open patent record ↗HETCHYN on LinkedIn
A public company profile linked to hetchyn.com and the HETCHYN entity in Jiaxing, Zhejiang.
Open LinkedIn profile ↗Where to find us
Jiaxing, Zhejiang, China.
Jiaxing City, Zhejiang Province, China
Talk to our ingredient team
Talk to a team that works with Dunaliella every day.
Share your application, target potency and market. We will help identify the most suitable starting grade.
Start an inquiry

