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Our Company

DOI BK

We support maintaining optimal performance
through various part replacements and repairs,
ensuring meticulous care.

About us

No.1 in customized machinery and parts manufacturing
Earning customer trust based on core values.

  • No.1

    No.1 in the field of customized
    machinery and parts manufacturing

  • Core Value

    Customer-first approach
    as our core value

  • High quality

    Through continuous R&D
    providing high-quality products

  • Sustainability

    Pursuing sustainable
    industry and growth

Products 01

Discover DOI BK’s high-performance mixing machinery
specialized in material blending

Mixing Machinery

High-performance machines for mixing various materials

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Products 02

Discover automation machines that maximize efficiency
by shortening production time with high-speed processing

Automatic Machines

Reducing production time by high-speed

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Products 03

DOI BK offers a wide range of industrial machines
tailored to various industries

Industrial Machinery

Machines used across various industrial fields

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Products 04

We provide high-quality carbide products
based on high-hardness alloys used in a wide range of industries.

Carbide Products

High-hardness alloys used in various industrial sectors

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Our Value & Vision

Pursuing sustainable industry and growth
the value and vision of DOI BK

Contact us

At DOI BK, we put customers first
and grow together