OFFSHORE ENERGY TRADE · ZHOUSHAN FTZ

From bonded storage to bunker delivery — one supply chain.

LONGTOL Energy Group is a Zhoushan FTZ-registered offshore energy trading house. We move 300,000 tonnes of EN590, Jet A-1, fuel oil, LCO, naphtha and LNG a month — alongside bonded storage and IMO 2020 bunker supply — from China's premier free-trade corridor to your port, your terminal, your vessel.

Request a Quote → Browse Specifications
300,000t/mo
Contract Supply
1.5Mm³
Bonded Storage
6
Product Grades
8
Certifications
PRODUCT CATALOGUE

From EN590 diesel to LNG — spec-locked and bonded-ready.

Six ISO-compliant refined product grades. Tank-leased or bonded-transfer, FOB Zhoushan, FOB Shanghai, CIF, DAP worldwide. Lead time 7-15 days on contracted cargoes.

EN590 / ULSD

EN590 10 ppm

Ultra-low-sulphur diesel · road & marine
  • Cetane Number≥ 51
  • Sulphur≤ 10 mg/kg
  • Density @ 15°C820-845 kg/m³
  • Flash Point≥ 55°C
  • FAME≤ 7.0% v/v
EN590 / WINTER

EN590 -20°C Cold

Arctic-grade · CFPP -20 / -32
  • Cetane Number≥ 49
  • Sulphur≤ 10 mg/kg
  • CFPP-20 / -32°C
  • Cloud Point≤ -15°C
  • Density @ 15°C815-840 kg/m³
EN590 / FAME

B7 / B10 Biodiesel

FAME-blended · EN 14214 / EN 590
  • FAME Content7.0 / 10.0% v/v
  • Cetane Number≥ 51
  • Oxidation Stability≥ 20 h
  • Acid Number≤ 0.5 mgKOH/g
  • Iodine Value≤ 120 gI₂/100g
DEF STAN 91-091

Jet A-1 Aviation

Refinery-grade kerosene · IATA standard
  • Density @ 15°C775-840 kg/m³
  • Flash Point≥ 38°C
  • Freezing Point≤ -47°C
  • Aromatics≤ 25% v/v
  • Smoke Point≥ 25 mm
ISO 8217:2017

VLSFO 0.5%

IMO 2020 marine fuel · sulphur cap compliant
  • Sulphur≤ 0.50% m/m
  • Density @ 15°C≤ 991 kg/m³
  • Kinematic Viscosity @ 50°C≤ 380 mm²/s
  • CCAI≤ 870
  • Pour Point≤ 30°C
ISO 8217:2017

ULSFO 0.1%

ECCA-controlled sulphur · ECA-zone compliant
  • Sulphur≤ 0.10% m/m
  • Density @ 15°C≤ 985 kg/m³
  • Viscosity @ 50°C≤ 380 mm²/s
  • CCAI≤ 860
  • Pour Point≤ 30°C
ISO 8217:2017

HSFO 3.5%

High-sulphur fuel oil · scrubber-fitted vessels
  • Sulphur≤ 3.50% m/m
  • Density @ 15°C≤ 991 kg/m³
  • Viscosity @ 50°C≤ 380 mm²/s
  • CCAI≤ 870
  • Water≤ 0.5% v/v
LCO

Light Cycle Oil

FCC cycle oil · blending component
  • Density @ 15°C870-930 kg/m³
  • Sulphur≤ 0.2% m/m
  • Cetane Index≥ 28
  • Flash Point≥ 65°C
  • Aromatics40-65% m/m
NAPHTHA

Full-Range Naphtha

Steam-cracker feed · petrochemical grade
  • Density @ 15°C660-770 kg/m³
  • Sulphur≤ 0.05% m/m
  • Paraffins≥ 60% v/v
  • Distillation IBP≥ 30°C
  • Distillation FBP≤ 220°C
NAPHTHA

Open-Spec Naphtha

Light naphtha · blending component
  • Density @ 15°C650-700 kg/m³
  • Sulphur≤ 0.1% m/m
  • RVP60-80 kPa
  • Distillation FBP≤ 130°C
  • Lead Content≤ 0.005 g/L
LNG

Liquefied Natural Gas

Pipeline-quality LNG · IMO compliant
  • Methane (CH₄)≥ 87% mol
  • Ethane + heavier≤ 13% mol
  • Nitrogen≤ 1.0% mol
  • Sulphur (H₂S)≤ 3.5 mg/Nm³
  • Gross calorific value38-42 MJ/Nm³
DOWNSTREAM APPLICATIONS

From harbour craft to 320k DWT VLCCs — one grade book.

Our refined products serve road transport, civil aviation, international shipping, petrochemical cracking, power generation and industrial combustion — across all six continents.

01

Road & Logistics

EN590 10 ppm for long-haul trucking, urban buses, last-mile delivery fleets. B7/B10 biodiesel blends for sustainability targets.

EN590 · B7 · B10
02

Civil Aviation

Jet A-1 to major airport hubs (PVG, SHA, HGH, XMN, ZUH) and corporate flight operations. DEF STAN 91-091 + ASTM D1655 dual certification.

Jet A-1 · DEF STAN 91-091
03

Marine & Bunker

IMO 2020 sulphur cap compliant VLSFO/ULSFO/MGO for harbour craft, container ships, tankers and VLCCs. Up to 320,000 DWT vessel delivery.

VLSFO · ULSFO · HSFO · MGO
04

Petrochemical

Full-range and open-spec naphtha as steam-cracker feed. Light cycle oil (LCO) as FCC blending stock for olefin plants.

Naphtha · LCO
05

Power Generation

HFO and LCO blends for utility-scale diesel generator backup and remote island grids. LNG regasification for combined-cycle peakers.

HFO · LCO · LNG
06

Industrial Combustion

Cement, steel, ceramics, glass and pulp/paper kilns. Fuel oil and bunker-C grades for process heat. LNG for clean-burn retooling.

HFO · LNG · Naphtha
WHY LONGTOL

Bonded corridor, bonded trust.

Four operational advantages make LONGTOL the offshore energy partner of choice for traders, bunker operators and end-users from Singapore to Rotterdam.

⚓

Bonded Storage

1.5M m³ across Zhoushan, Ningbo and Shanghai FTZ. Short and long-term tank leasing with heating, blending and transfer-to-vessel.

⛽

Bunker Supply

IMO 2020-compliant VLSFO/ULSFO/MGO/HSFO bunker delivery from Zhoushan, Shanghai and Ningbo. Up to 320k DWT VLCC.

🛡️

Quality Assurance

SGS / Intertek inspected cargoes. ISO 9001:2015 quality-managed from refinery intake through bonded transfer and bunker delivery.

📞

Trading Desk

Bilingual EN/中文 support. USD, CNY, EUR settlement. T/T, L/C, SBLC, escrow. FOB, CIF, DDP, DAP worldwide delivery.

CERTIFICATIONS & COMPLIANCE
ISO 9001:2015
ISO 14001
ISO 45001
ISO 8217:2017
EN 590:2013
DEF STAN 91-091
ASTM D1655
IMO 2020 Compliant
REACH Compliant
RoHS Compliant
GHS Classification
ADNOC Approved
BONDED STORAGE & BUNKER

1.5 million m³ of bonded tankage, three ports.

Strategic warehousing in China's three top FTZ energy corridors. ISO 9001 quality-managed from refinery intake through bonded transfer to vessel delivery.

● STORAGE

Bonded Tank Leasing

Long-term and spot tank capacity across the Yangtze River Delta. Heated, blended, N₂-padded.

  • Zhoushan CBPZ820,000 m³
  • Ningbo Zhenhai450,000 m³
  • Shanghai Waigaoqiao230,000 m³
  • Total bonded capacity1,500,000 m³
  • Min lease term30 days
  • Heated / insulatedAvailable
  • Bonded transfer-to-vessel24/7
● BUNKER

IMO 2020 Bunker Supply

VLSFO, ULSFO, HSFO and MGO bunker delivery to harbour craft, container ships and VLCCs.

  • VLSFO 0.5%IMO 2020
  • ULSFO 0.1%ECA-zone
  • HSFO 3.5%Scrubber-fitted
  • MGO DMA / DMBISO 8217
  • Max vessel size320,000 DWT
  • Loading rateUp to 2,000 m³/h
  • Lead time3-7 days
MARKET POSITION

300,000 t/month, eight years compounding.

From the founding 30,000 t in 2023 to 300,000 t in 2025, LONGTOL has scaled 10× while keeping the same refinery, storage and bunker partners.

Contract Supply Growth (2018-2025)

Tonnes per month, contracted cargoes only.

2018201920202021 2022202320242025
Top Buyer Region
APAC
Singapore, Indonesia, Vietnam, Philippines, Australia
Top Buyer Region
EMEA
Rotterdam, Hamburg, Antwerp, Piraeus, Algeciras
Top Buyer Region
AMERICAS
Houston, Long Beach, Santos, Cartagena
MILESTONES

Eight years, one corridor.

From 2018 founding to 2025 300k t/month — a steady climb from a single storage tank to a bonded corridor spanning three FTZ energy hubs.

2018
Founding & First Cargo
LONGTOL incorporated in Zhoushan CBPZ. First 30,000 t EN590 cargo to Singapore.
2020
IMO 2020 Transition
VLSFO 0.5% bunker programme launched ahead of IMO 2020 sulphur cap deadline.
2023
300,000 t/month Milestone
300,000 t/month contract capacity reached. Ningbo and Shanghai tanks added.
2025
Sister-House: LONGTOL Fiber
LONGTOL Fiber launches — Shanghai FTZ trading house for optical fibre + UAV components.
CONTACT

Request a quote, sample, or full spec sheet.

Bilingual EN/中文 sales desk. Same-day quote response on contracted cargoes. Letter of Credit, SBLC, T/T, escrow settlement.

● HOTLINE
+86-21-80122109
● EMAIL
business@longtol.com
● ADDRESS
Zhoushan Comprehensive Bonded Zone, Zhejiang, China
● TRADING HOURS
Mon-Fri 09:00-18:00 (Asia/Shanghai)