Applications & Solutions
High-Performance Vessel Solutions For
Strategic Industries
GLOBAL MANUFACTURING INTEGRITY
Engineered for Zero-Defect Safety in Extreme Pressure Environments
Keystone Vessel Manufacturing Co., Ltd. is a specialized global OEM/ODM manufacturer of ISO tank containers, cryogenic vessels, and ultra-high-pressure containment systems. Integrating automated submerged-arc welding, high-magnification metallographic testing, and helium leak detection, we serve global EPC contractors across chemical, nuclear energy, biopharma, and subsea industries.
100%
NDT & Mass Spectrometer Leak Tested
- We're making unconventional production
- We are high energy density and versatility
- We supplies of conventional oil
Co - Founder
Certified for World-Class Safety & Regulatory Compliance
- ASME & TPED Certified: Built in strict accordance with US ASME Sec VIII and EU TPED pressure equipment directives.
- US DOT & Marine Class Licenses: Fully recognized by US DOT, CCS, and Bureau Veritas (BV) for international shipping.
- Tier-1 Semiconductor Supplier: Qualified and adopted by world-leading IC foundries (TSMC, YMTC, Kioxia).
- National Standard Author: Key participant in drafting National Standards for stainless steel cylinders and pressure vessels.
Recent Projects
Our Recent Industry Project
Standardized Workflow
Our Precision Manufacturing & Quality Control Process
Custom Design & Compliance
Precision CAD 3D modeling and Finite Element Analysis (FEA) engineered in strict accordance with ASME Sec VIII, US DOT, DNV, and EU TPED regulations.
Heavy Fabrication & Welding
Utilizing automated submerged-arc welding, precision CNC machining, and stress-relieving thermal treatment furnaces to ensure structural shell integrity.
100% NDT & Pressure Audit
Executing 100% Radiographic/Ultrasonic NDT weld inspection, hydrostatic proof pressure testing, and high-sensitivity helium mass spectrometer leak detection.
Final Certification & Delivery
Complete with Material Test Reports (MTR 3.1/3.2), class society inspection sign-offs, marine-grade protective coating, and global export shipping.
Global Compliance & Certifications
Certified by World-Leading Pressure Equipment & Maritime Authorities
