A & A Machine & Fabrication LLC is proud to announce the renewal of our China D license and the successful achievement of the A6 Manufacturing License—a major milestone that strengthens our global manufacturing capabilities. According to our official certification, we are authorized to manufacture:
- Ultra-High-Pressure Vessels (A6)
- Medium & Low-Pressure Vessels (D)
- Category I & Category II Pressure Vessels
These licenses, valid through December 10, 2029, reinforce our commitment to quality, safety, and continuous improvement.

Why These Licenses Matter
- Meets Strict Global Manufacturing Standards
The A6 license is one of China’s highest certifications for ultra-high-pressure vessel fabrication, and is required to supply goods to the LDPE (Low Density Polyethylene) and EVA (Ethylene Vinyl Acetate) markets.
- Supports International and China-Based Projects
For companies with operations or supply chains in China, this certification ensures smooth, compliant manufacturing and export of pressure vessels—reducing delays and regulatory risk.
- Enhances Quality and Traceability for Every Client
These licenses require strict documentation, inspection, and process control. Whether you’re ordering a single pressure vessel or a complete engineered skid, you benefit from proven, audited quality.
- Demonstrates A & A’s Long-Term Commitment to Excellence
Obtaining and maintaining these certifications requires investment in skilled personnel, upgraded equipment, and continual improvement. It shows our dedication to being a trusted manufacturing partner for demanding industries.
What This Means for You
Whether you’re in petrochemical, refining, industrial manufacturing, or engineering, these licenses ensure your pressure vessels and fabricated components come from a company certified to meet some of the strictest global standards.
You gain:
- A certified partner for high-pressure applications
- Compliance for China-based or multi-national projects
- Increased confidence in safety, quality, and durability
- A fabrication team committed to long-term reliability
A & A Machine & Fabrication: Certified, Trusted, and Ready to Support Your Next Project
If you need ultra-high-pressure vessels, certified fabrication services, engineered process skids, or precision-machined components, our team is ready to help.