Union Sekiyu Kogyo Co., Ltd. is
a naphthenic base oil manufacturer.

We are a naphthenic base oil manufacturer.

Our main product, naphthenic base oil, is highly evaluated as a highly safe naphthenic base oil that has cleared the EU standard (DMSO extract less than 3%), which is the safety standard for base oil, by taking advantage of the features of the solvent(furfral) extraction unit.

We also contribute to the realization of an electrified society and a recycling society through the supply of electrical insulating oil raw materials and recycled asphalt additives. Aroma oils with high solubility are also highly evaluated as lubricating oils for special purposes.

COMPANY PROFILE

Address:5-19, Shozoku-machi, 1-chome, Iwakuni-shi, Yamaguchi 740-0001, Japan

Company name
Union Sekiyu Kogyo Co., Ltd.
Representative
Takuji Hitotsuya
Founding
June 12, 1947
Location
Head Office/Factory
1-5-19 Sozoku-cho, Iwakuni City, Yamaguchi Prefecture
TEL +81 827-21-3241
FAX +81 827-21-0859
Access by car

Iwakuni IC → 25 minutes

Iwakuni Station →10 minutes

Iwakuni Airport →15 minutes

Capital
64 million yen
Union Sekiyu Kogyo Co., Ltd.
Union Sekiyu Kogyo Co., Ltd.

MAIN EQUIPMENT

Site area
Iwakuni Factory: 37,600 square meters
Refining unit
  • High Vacuum Distillation Unit

    1 unit 600KL/day

  • No.2 Vacuum Distillation Unit

    1 unit 100KL/day

  • Solvent (Furfural) Extraction Unit

    1 unit 480KL/day

  • Vacuum Distillation Unit (Heckman)

    1 unit 27KL/day

  • Caustic Soda Treating Unit

    1 unit 200KL/day

  • Clay Contracting Unit

    3 unit 115KL/day

Tanks
Products and Semi prodcuts tanks
Drum Storage Facility
Port facility
  • Pier for Product shipment
    1,500DWT
    2,600DWT

    2 piers

Shipping Facility
Lorry Loading facilities
Drum filling Station