
Industrial petroleum &
specialty supply across Asia-Pacific.
Sanyang Petroleum is a Malaysia-based principal trader supplying diesel, LPG, base oils, TDAE, RPO and white oil to lubricant blenders, tyre manufacturers and petrochemical buyers across APAC — with structured logistics and technically rigorous procurement support.
Industrial petroleum & specialty commodity supply.
Seven product lines across three technical categories — sourced through verified refinery and producer channels, delivered against international Incoterms.

Energy & Fuel Commodities
- ·Diesel (EN590 / D2)
- ·LPG / Propane
Industrial Base Oils
- ·Paraffinic — Group I / II / III
- ·Naphthenic Base Oils
Specialty & Process Oils
- ·TDAE
- ·RPO — Rubber Process Oil
- ·White Oil — Industrial / Pharma
Five packaging modes.
One operational pipeline.
From single-drum technical orders to full bulk vessel parcels — we coordinate packaging, port loading, inspection and documentation across the major APAC discharge ports.

A procurement partner — not a marketplace.
Lubricant blenders, tyre manufacturers and petrochemical buyers across APAC work with Sanyang Petroleum for predictable supply, technically accurate offers, and calm operational execution.
Procurement Support
Structured quotation workflow with technical, commercial and logistics terms specified upfront. No broker noise.
Regional Sourcing
Direct relationships with refineries and producers across Asia, the Middle East and CIS — diversified supply across grades.
Logistics Flexibility
Five packaging modes, multi-port loading, and Incoterm flexibility — coordinated through a single operational interface.
Technical Documentation
TDS, COA, MSDS and origin documentation supplied per shipment. Inspection by SGS or Bureau Veritas at loading.

Strongest product lines.
Diesel — EN590 / D2
Industrial fleets, marine bunker, power generation
Base Oil — Paraffinic
Lubricant blending, metalworking, industrial oils
TDAE
Tyre compounding, rubber extender, polymer plasticiser
White Oil
Cosmetics, pharma, food-grade lubrication

Submit a structured RFQ.
Specify product, quantity, packaging, Incoterm and destination port. Commercial RFQs are reviewed by our team against product, logistics and commercial requirements.
Malaysia Commercial & Operations Office
Commercial discussions, procurement coordination, and technical consultations may be arranged by appointment.
Malaysia Commercial & Operations Office
Taman Mayang
47301 Petaling Jaya
Selangor, Malaysia
9:00 AM – 6:00 PM (GMT+8)
Serving industrial buyers, refiners, and commodity traders across Southeast Asia with procurement coordination and technical support.
Procurement & Technical Consultation
Arrange a structured discussion on product specifications, supply terms, and regional logistics.
About the Founder
Why I Built Sanyang Petroleum
Trust matters more than paperwork.
I did not enter the commodities industry because I grew up in oil.
I entered it because I was curious about how the world really works.
Over the years, I explored engineering, property management, mining, infrastructure, and international trade. Every industry taught me something different, but they all led me to the same observation:
The world has no shortage of opportunities. It has a shortage of trust.
When I entered commodities trading, I found an industry filled with documents, procedures, intermediaries, and promises. Yet behind all the paperwork, I discovered something uncomfortable.
Many deals were not real.
Many people were not who they claimed to be.
I personally lost more than USD 200,000 pursuing opportunities that never materialized. At the time, it felt like failure.
Today, I see it differently.
That experience taught me something more valuable than any contract ever could:
Documents do not create trust. People do.
Since then, I have spent years meeting suppliers, refiners, miners, government agencies, logistics providers, and industrial buyers across different markets. Not to build the biggest network, but to build a genuine one.
Sanyang Petroleum was created from that belief.
Not as another trading company.
But as a platform built on real relationships, direct communication, and long-term trust.
I believe business is ultimately human.
Every transaction begins with people.
Every opportunity begins with a conversation.
Every partnership begins with trust.
Ten years from now, I do not hope people remember me for the number of deals completed.
I hope they remember that we brought energy, honesty, and genuine connection back into an industry that often forgot all three.
— Owen Leong
Founder & CEO
Sanyang Petroleum
"The world has no shortage of opportunities. It has a shortage of trust."
Market Themes
Published analysis from our trading desk on the structural forces shaping base oil, process oil and bitumen supply across Asia-Pacific.
Group I, II, III and Re-Refined: Which Base Oil Does Your Formulation Actually Need?
What separates API Group I, II and III base oils — and where does re-refined base oil actually fit? A buyer's comparison of specifications, applications and sourcing for lubricant blenders in Asia.
What Is TDAE? Treated Distillate Aromatic Extract Explained for Rubber Compounders
TDAE is a low-PAH aromatic rubber process oil developed to meet EU REACH limits. A buyer's guide to specifications, applications, regulatory background and sourcing TDAE in Asia.
Bitumen 60/70 Specifications Explained — Penetration, Softening Point & Test Values
A clear guide to penetration grade bitumen 60/70 specifications — penetration, softening point, ductility, flash point and the ASTM D946 / EN 12591 test values buyers should verify on every certificate of analysis.
Re-Refined vs Virgin Base Oil — Is Re-Refined Just as Good?
How re-refined base oil compares with virgin base oil on quality, specification and performance — what modern re-refining actually produces, where it fits, and how buyers should evaluate it.
Where Is the World's Base Oil Coming From Now?
With Gulf base oil supply disrupted since March 2026, buyers scrambled for alternative origins. What the trade data shows about where global base oil supply is actually coming from now.
ATIGA Form D Explained — How ASEAN Buyers Cut Import Duty to Zero
How Malaysia-origin petroleum products land duty-free in Vietnam, Indonesia, the Philippines and Thailand under ATIGA Form D — and what your supplier must provide to make it work.
Naphthenic Base Oils Explained — Grades, Solvency and When They Beat Paraffinic
What naphthenic base oils are, how N60/N100/N600 grades are specified, why aniline point and pour point matter more than viscosity index, and where naphthenics outperform paraffinic base oil.
How Base Oil Is Actually Priced — Posted Prices, Published Assessments and Formula Contracts
Base oil has no screen price. A buyer's guide to the three price layers — producer posted prices, published assessments and negotiated spot — plus formula contract structure, FOB-to-CFR build-up and how to spot an offer that isn't real.
The Group I Endgame — Why Bright Stock and SN500 Stay Structurally Short
Group I capacity keeps closing while bright stock demand persists in marine, industrial gear and grease. Why heavy grades stay structurally tight, what Group II alternatives can and can't replace, and how blenders should secure supply.
Discussing a specific grade or destination? Send the trading desk an RFQ
Stay Ahead of the Market
I send a short email when something moves in the base oil, process oil or bitumen market. Supply disruptions. Price shifts. Procurement intelligence. Not public. Not on LinkedIn. Subscribers only.
Malaysia Origin Supply
Direct refinery relationships & state-linked access
Southeast Asia & South Asia Markets
Coverage across 6+ APAC industrial corridors
Principal Trader Intelligence
Price signals from the trading desk, not news aggregators