About Dayang Chem
A Chinese Fine Chemical Manufacturer Serving Global Industrial Markets
Founded in 2000 and headquartered in Hangzhou, China, Dayang Chem (Hangzhou) Co., Ltd. develops and manufactures fine chemicals and specialty intermediates for pharmaceutical, agrochemical, advanced materials and other industrial applications.
For more than two decades, we have combined chemical development with manufacturing to support customers from product sourcing and technical evaluation through commercial supply.
Our portfolio covers pharmaceutical intermediates, agrochemical building blocks, fluorinated compounds, nitrogen-containing heterocycles, protected amino acid derivatives, functional monomers and other specialty chemicals.
We work with international customers across more than 100 countries and regions, supplying both established commercial products and customer-specific chemical projects.
Our Business
Dayang Chem operates across several interconnected areas of chemical development and manufacturing:
Fine chemical manufacturing
Pharmaceutical intermediates
Agrochemical intermediates
Specialty chemicals
Functional materials
Chemical R&D
Process development
Custom chemical manufacturing
We work across different areas of organic chemistry and evaluate each project according to its chemical structure, application, specification, quantity and manufacturing requirements.
Manufacturing Resources Across China
Our manufacturing resources are located across Zhejiang, Jiangsu and Shandong provinces, supporting different chemical processes, production scales and manufacturing requirements.
Depending on the project, our resources include:
- Production workshops
- Glass-lined reactors
- Hydrogenation systems
- Cryogenic reaction capabilities
- Pilot-scale equipment
- R&D and analytical laboratories
- Warehousing facilities
- Packaging and shipping areas
This distributed manufacturing structure allows projects to be evaluated and matched with appropriate production resources, from laboratory and pilot-scale development through larger commercial batches.
Dayang Chem maintains R&D resources through laboratories associated with Zhejiang University and Zhejiang University of Technology. Our R&D team includes more than 15 experienced organic chemists working on chemical synthesis, process development and manufacturing-related technical projects.
Our chemistry experience includes:
Catalytic hydrogenation
Fluorination
Asymmetric synthesis
Organometallic reactions
Heterocyclic chemistry
Nitrogen-containing compounds
Protected amino acid derivatives
Aromatic functionalization
Process optimization
Scale-up preparation
What We Manufacture
Pharmaceutical Intermediates
We supply intermediates and building blocks used in pharmaceutical research, API development and industrial manufacturing.
Our experience includes nitrogen-containing heterocycles, protected amino acid derivatives, fluorinated compounds and other functionalized organic intermediates.
Agrochemical Building Blocks
Our agrochemical portfolio includes intermediates and building blocks used in crop protection chemistry.
Our experience covers areas including:
- Pyrethroid chemistry
- Neonicotinoid chemistry
- Triazole derivatives
- Halogenated intermediates
- Heterocyclic compounds
Product suitability and manufacturing availability are evaluated according to the specific chemical and intended application.
Specialty Chemicals and Functional Materials
We also supply selected specialty chemicals and functional intermediates for material-related applications.
These include:
- Functional monomers
- Fluorinated compounds
- Polymer-related intermediates
- Additives
- Precursors for electronic materials
- Materials used in engineering plastics and composites
Our Certificate
ISO14001
ISO9001
Dayang chem has passed ISO9001 international quality system certification for 14 consecutive years, and ISO14001 environmental management system certification in 2024 .
EcoVadis
Sustainability：Dayang chem has been awarded a Gold rating by EcoVadis in the third consecutive year, putting us in the top 5% of companies for the sustainability in our sector.
Production Equipment
Serving International Chemical Markets
Dayang Chem has supplied chemical products to customers in more than 100 countries and regions.
Our international markets include:
Europe
Germany, Switzerland, France, Italy, the United Kingdom, the Netherlands, Spain, Belgium and other European markets.
North America
The United States and Canada.
Asia-Pacific
India, Japan, South Korea, Singapore, Southeast Asia and Australia.
Latin America and Other Markets
Brazil, Mexico, Middle Eastern markets and other international destinations.
International orders are handled according to the product, destination market, packaging requirements, transportation conditions and applicable documentation.
From Product Sourcing to Long-Term Supply
Our customer relationships may develop through several stages:
Product Identification
1
>>
Specification Confirmation
2
>>
Sample or Initial Order
3
>>
Technical Evaluation
4
>>
Commercial Supply
5
>>
Repeat Orders
6
Our teams coordinate with customers to clarify product requirements, quantities, packaging and delivery arrangements throughout the purchasing process.
For projects requiring additional technical evaluation or manufacturing development, customers can work directly with our technical team.
Talk to Our Team
Whether you are sourcing an established chemical product or evaluating a new manufacturing project, our team can review your requirements and discuss the appropriate supply approach.
Provide a chemical name, CAS number, structure or target specification to start a discussion.