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Crude oil tanker at sea

Services

Tank cleaning and marine support services in China

Wintop Marine Technology Co., Ltd. supports tanker operators with cleaning, residue removal, bunker transfer, waste handling and Port State Control preparation.

Cargo tank cleaning inside an oil tanker

Tank Cleaning

Wintop performs cargo tank cleaning with draining, crude oil washing, water washing, freshwater rinse, gas-freeing, drying and controlled waste handling. Every operation is planned around cargo compatibility, crew safety, MARPOL compliance and minimum vessel downtime.

  • Tank-ready condition
  • Gas-free support
  • Waste handling records
  • Inspection coordination
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Demucking of heavy sludge in a cargo tank

Demucking

Demucking removes heavy muck and compacted sediment from cargo tanks using confined-space safety controls, specialized tools and high-pressure washing. It improves vessel efficiency, protects new cargo and prepares tanks for inspection or repair.

  • Sludge removal
  • High-pressure washing
  • Waste transfer support
  • Tank inspection notes
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Deslopping and slop removal operation

Deslopping

Deslopping handles accumulated oil-water-sediment mixtures through heating, agitation, decanting and controlled removal. Wintop separates reusable oil where practical and treats the remaining water and sediment according to local environmental requirements.

  • Slop separation
  • Oil recovery
  • Sediment removal
  • Environmental paperwork
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Debunkering fuel transfer operation

Debunkering

Debunkering requires precise planning, monitoring and documentation. Wintop removes bunker fuel into an approved receiving vessel or barge while controlling pumping rate, pressure, temperature and spill risk throughout the operation.

  • Debunkering plan
  • Pumping supervision
  • Spill prevention
  • Completion documentation
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Port State Control inspection preparation

PSC Assistance

PSC Assistance helps masters and crews prepare for port state inspections. Wintop reviews certificates, safety systems, pollution-prevention equipment, crew welfare records and recurring deficiencies so issues can be corrected before a costly detention.

  • Pre-arrival checklist
  • Document review
  • Deficiency list
  • Inspection guidance
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