Governance & Documentation
Quality & Compliance
Every Sanyang Petroleum cargo ships with a defined documentation set, batch-level quality evidence and the option of independent third-party inspection at the loading port.
Sanyang Petroleum supplies every consignment with full supporting documentation and verifiable quality data.
Documentation Provided Per Shipment
Certificate of Analysis (COA)
Batch-specific test results.
Product Data Sheet (PDS)
Typical values and specification ranges.
Material Safety Data Sheet (MSDS / SDS)
Handling, storage and safety information.
Test Methods
Product properties are determined using internationally recognised test methods, including ASTM (D445 viscosity, D92/D93 flash point, D97 pour point, D4052 density, D5453 sulfur, D2270 viscosity index, IP 346 PCA, and others) and equivalent ISO and GB standards. Test methods are stated alongside every value on our product data sheets.
Independent Inspection
Independent third-party inspection (SGS, Intertek, or equivalent) is available on request to verify quantity and quality at load or discharge.
Regulatory Note
Low-PAH process oils (TDAE, rubber plasticizer oils) are supplied within polycyclic-aromatic limits applicable to label-free rubber compounding, with PCA content verified by IP 346.