---
name: PHT International, Inc.
slug: phtinternational
site: cdmo
website_domain: phtinternational.com
summary: PHT International is a Contract Research, Development, and Manufacturing Organization (CRDMO) offering small-molecule process R&D, cGMP manufacturing from milligrams to multi-tons, and chemical sourcing with global facilities across North America, Europe, and Asia. Headquartered in Charlotte, United States.
tagline: Contract research, development, and manufacturing for complex small molecules at all scales.
founded_year: 
employee_count_band: 
employee_count_label: 
parent_name: 
parent_slug: 
hq_country: US
tier2_domain_verified: false
updated_at: 2026-09-08T07:05:06.209Z
services_count: 5
modalities_count: 1
indications_count: 0
locations_count: 9
review_signal_gate: closed
generated_by: BioBM Editorial AI
---

# PHT International, Inc.

Contract research, development, and manufacturing for complex small molecules at all scales.

Listed on cdmo.directory.

## Summary

PHT International is a Contract Research, Development, and Manufacturing Organization (CRDMO) offering small-molecule process R&D, cGMP manufacturing from milligrams to multi-tons, and chemical sourcing with global facilities across North America, Europe, and Asia. Headquartered in Charlotte, United States.

## At a glance

- HQ country: US

## Services

- Process Development
- API Synthesis & Manufacturing
- Small Molecule Development & Manufacturing
- Technology Transfer
- CMC Regulatory Submission Support

## Modalities

- Small Molecule

## Locations

- Headquarters, Charlotte, NC, USA
- Shanghai Office, Shanghai, China
- Beijing Office, Beijing, China
- Ningbo, Ningbo, Zhejiang, China
- Hong Kong, Hong Kong, Hong Kong
- Nantong, Nantong, Jiangsu, China
- Shangyu, Shangyu, Zhejiang, China
- Barr, Barr, Switzerland
- Tokyo, Tokyo, Japan

## Long description

## Overview

PHT International is a trusted Contract Research, Development, and Manufacturing Organization (CRDMO) and chemical supplier with 30 years of experience supporting pharmaceutical and chemical companies. The organization operates a dual-facility model for small-molecule development and manufacturing.

## Services & Capabilities

**Process R&D & Development:**
- Route scouting, optimization, and scalability assessment
- Impurity control and characterization
- Scale-up support from early proof-of-concept through IND-enabling activities
- First non-cGMP batch preparation for toxicology studies

**Manufacturing:**
- cGMP manufacturing at state-of-the-art facilities
- Project support across all manufacturing scales: milligrams to multi-ton quantities
- Technology transfer from development to commercial production
- Compliant manufacturing with regulatory-ready documentation

**Additional Services:**
- Strategic chemical sourcing with global supply chain capabilities
- Quality assurance and regulatory compliance support
- Transparent partnership model with full customer involvement

## Facilities

- **Nantong, China:** State-of-the-art Process R&D facility supporting early-stage development and IND-enabling work
- **Shangyu, China:** cGMP CDMO facility for scale-up and commercial manufacturing
- **Global offices:** Headquarters in Charlotte, NC (USA); additional offices in Shanghai, Beijing, Ningbo, Hong Kong, and Japan

## Differentiation

PHT emphasizes three core principles: people, honesty, and trust. The organization maintains a high-quality, skilled workforce and operates under a transparent partnership model with regulatory-ready documentation and dependable project governance. The company has received multiple customer awards and serves as a trusted partner to global pharmaceutical companies.

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_Profile last updated: 2026-09-08T07:05:06.209Z. Profile facts may include AI-assisted enrichment._

Auto-generated by BioBM Editorial AI for machine-readable profile access.