Generic Peptide APIs
Off-patent and patent-expiring peptide APIs for generic dossiers, supplied with batch-level analytical data.
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About Thinheal · Since 2019
Peptide API Manufacturer & CDMO Partner for Global Pharmaceutical and Cosmetic Buyers
Hangzhou Thinheal Pharma-Tech Co., Ltd. was founded in 2019 in Hangzhou, China, as a biopharmaceutical company that integrates independent R&D, manufacturing and sales of peptide products with custom development and contract manufacturing. Our core management team combines a pharmaceutical background with nearly 20 years of hands-on management experience in the peptide industry — experience that directly shapes how we evaluate sequences, design synthesis routes and scale processes.
Thinheal operates its own R&D center and production base. Total production capacity for chemically synthesized peptides has reached the multi-ton level, placing Thinheal among the front-running peptide producers in the industry.
- One supplier, full lifecycle: from development batches and process optimization to commercial-scale API supply.
- Portfolio breadth: generic peptide APIs, GLP-1 & GLP-2 analogues, gastrointestinal, therapeutic and cosmetic peptides.
- Regional sales desks for USA & Europe, Russia & CIS, Asia and the Middle East — answering in your time zone.
20+Years of peptide industry
management experience
management experience
2019Year Thinheal was established in Hangzhou, China
~20yrPeptide industry management experience of the core team
Multi-tonTotal capacity for chemically synthesized peptides
4desksRegional sales teams covering Americas, Europe, CIS, Asia & Middle East
Hangzhou Thinheal Pharma-Tech Co., Ltd.
An Integrated Peptide Industrialization Platform
Thinheal runs a complete and efficient peptide R&D, production and sales system. That lets us deliver the full range of peptide industrialization services under one roof: peptide API development and production, customized peptide development and manufacturing (CDMO), and cosmetic peptide research and production — reducing hand-offs, tech-transfer risk and supplier-qualification workload for your team.
20yrsIndustry Experience
01 · API
Peptide API R&D & Production
Chemically synthesized peptide APIs developed in-house and produced at our own base, with multi-ton aggregate capacity.
02 · CDMO
Customized Development & Manufacturing
Project-based contract R&D, contract production and sales support for innovator and generic sponsors.
03 · Beauty
Cosmetic Peptide R&D & Production
Functional peptides for skin-care and aesthetic brands, from sequence selection to supply.
Product Portfolio
Peptide APIs & Ingredients by Category
Browse the categories international buyers source most often. Every category page lists available sequences with specifications; request the catalog for current grades and availability.
Therapeutic Peptides
Pharmaceutical peptides for metabolic, endocrine, gastrointestinal and other therapeutic development programs.
View categoryGLP-1 Analogues
Incretin-based APIs such as Semaglutide (CAS 910463-68-2) for diabetes and weight-management pipelines.
View categoryGLP-2 Analogues
GLP-2 receptor agonists for short bowel syndrome and intestinal-health development projects.
View categoryOther Gastrointestinal Peptides
Peptides addressing gut motility, secretion and mucosal-repair pathways beyond the GLP-2 class.
View categoryOther Therapeutic Peptide APIs
Specialty peptide APIs outside the incretin families — ask our team about sequences not listed publicly.
View categoryCosmetic Peptides
Signal, carrier and neurotransmitter-modulating peptides for anti-aging and advanced skin-care formulations.
View categoryTrending
Hot Products
The peptides buyers request most frequently right now — fast-moving items with active supply.
View category Products & Service
One-Stop Peptide Services: From API to Formulation
We provide one-stop customized R&D and production services from APIs to preparations for pharmaceutical companies worldwide. By focusing on products with high technical barriers and broad market prospects, we integrate R&D, production, registration support and commercialization — helping partners break through production bottlenecks, optimize process routes and accelerate time to market.
01
API & Formulation
Commercial API Manufacturing & Formulation DevelopmentCommercial-scale peptide API supply backed by our own production base, with formulation development support so your program can move from API to finished dosage form with a single technical partner.
- Commercial API supply
- Process optimization
- Formulation development
02
Beauty Peptides
Cosmetic & Aesthetic PeptidesResearch and production of cosmetic peptides for skin-care and aesthetic brands, supporting anti-aging, firming and repair claims with consistent, well-characterized raw materials.
- Anti-aging actives
- Brand-specific grades
- Stable supply
03
Custom & CRO Services
Custom Peptide Development & CRO ServicesProject-based contract research for novel or modified sequences: route design, synthesis feasibility, analytical method work and scale-up planning led by a team with deep peptide experience.
- Custom sequences
- Route design
- Analytical support
04
CDMO Solutions
End-to-End Peptide CDMO ServicesOur CDMO business covers project-based contract development, contract manufacturing and sales — one accountable partner from early development to commercial supply.
- Contract development
- Contract manufacturing
- Commercial supply
Procurement Workflow
How International Buyers Source Peptides From Thinheal
A transparent, four-stage workflow designed around how procurement, QA and regulatory teams actually qualify a peptide supplier.
01
Catalog & Specification Review
Request the catalog, shortlist sequences and align on purity, grade and quantity requirements with your regional desk.
02
Technical Data & Samples
Review batch analytical data such as the Certificate of Analysis and evaluate samples against your internal specifications.
03
Supplier Qualification
Our team supports questionnaires, documentation requests and audits so QA can approve Thinheal as a supplier.
04
Commercial Supply
Scheduled production from our multi-ton capacity base, with a dedicated contact for logistics and ongoing orders.
Why Thinheal
Core Advantages
What differentiates Thinheal when buyers compare peptide API manufacturers.
Technically Advanced Peptide Solutions
Chemical synthesis know-how built over nearly two decades of peptide industry leadership, applied to difficult sequences, long-chain analogues and modified peptides where process control defines quality and yield.
Learn more →Innovation-Driven Research & Development
An in-house R&D center focused on products with high technical barriers and strong market outlooks, continuously optimizing process paths to reduce cost of goods and improve batch-to-batch consistency.
Learn more →Leading Scale in the Peptide Landscape
Multi-ton total capacity for chemically synthesized peptides positions Thinheal at the forefront of the industry — giving buyers supply security for commercial launches and long-term contracts.
Learn more → Buyer FAQ 
Sourcing FAQ for Peptide Buyers
Straight answers to the questions procurement and QA teams ask first when evaluating a peptide API manufacturer.
What types of peptides does Thinheal supply?
Thinheal supplies generic peptide APIs, therapeutic peptides, GLP-1 analogues such as Semaglutide (CAS 910463-68-2), GLP-2 analogues, other gastrointestinal peptides, other therapeutic peptide APIs and cosmetic peptides for skin-care formulations. See the full product range.
Does Thinheal offer custom peptide development and CDMO services?
Yes. Our CDMO business covers project-based contract research and development, contract manufacturing and sales support — including custom peptide development, process optimization, scale-up and commercial API supply through to formulation development.
What is Thinheal's production capacity?
Thinheal operates an R&D center and a production base in Hangzhou, China. Total production capacity for chemically synthesized peptides has reached the multi-ton level, supporting both development-stage and commercial-volume orders.
What documentation can buyers expect with an order?
Shipments are accompanied by batch analytical data such as a Certificate of Analysis. Additional documents needed for supplier qualification or regulatory filings can be scoped with our sales and technical team for each project.
How do I reach the right sales team for my region?
Thinheal runs dedicated desks for USA & Europe, Russia & CIS & Europe, Asia, and the Middle East & East Asia — see the contact section below, or email [email protected] and we will route your request.
News Center
Read the Blog Peptide Sourcing Insights
Practical guidance for buyers evaluating peptide API manufacturers and CDMO partners.
Buyer Guide
What Should Buyers Consider When Choosing a Peptide API Manufacturer?
Explore more →CDMO
Peptide API Manufacturing: Reliable CDMO Solutions for Global Pharmaceutical Development
Explore more →GLP-1
Reliable Supplier of Semaglutide CAS No. 910463-68-2 – Hangzhou Thinheal Pharma-Tech
Explore more →Quality
How to Choose a Reliable Peptide API Manufacturer for Pharmaceutical Development
Explore more → Contact Us
Talk to a Peptide Specialist in Your Region
We uphold a philosophy of professionalism, backed by a young, responsive team. Share your target sequence, grade and annual volume — the right regional desk will reply with specifications and next steps.
- General Email[email protected]
- Head Office+86 0571-86758863
- AddressPhase 5, Heda Medicine Valley, Chengrui Street Intersection, Xingfu North Road, Qiantang District, Hangzhou, Zhejiang, China