Striving for professionalism
in production and manufacturing

2022 year
Company Establishment
86
Served Clients

Core Product System

Equipment
Equipment
grinding wheel
grinding wheel
Grinding Polishing Pad
Grinding Polishing Pad
Lapping and Polishing Fluid
Lapping and Polishing Fluid
Others
Others

Four Core Advantages Supporting Value

The four advantages support each other, making each delivery more certain and deepening trust through repeated verification.

Semiconductor Industry

Bosi Kousei Seimitsu Technology 's products and services mainly focus on wafer manufacturing front-end processes, especially key steps before photolithography such as wafer slicing, grinding, and polishing, providing customers with high-quality, high-precision material and technology solutions.

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Precision Optics Industry

Bosi Kousei Seimitsu Technology 's products and services mainly focus on the midstream segment, especially key processes before coating such as cutting, grinding, and polishing of optical glass, providing customers with high-precision and high-stability optical processing solutions.

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Precision Ceramics Industry

Bosi Kousei Seimitsu Technology 's products and services cover the entire process of cutting, grinding, and polishing ceramic materials, providing customers with high-quality ceramic processing solutions with stable process standards and precision control capabilities.

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Based in East Asia, Steady Development

Nanjing
Nanjing Bosi Kousei Seimitsu Technology Co., Ltd.

Jiangning District, Nanjing City, Jiangsu Province

Room 01, 26th Floor, Jingfeng Center Office Building, 

1698 Shuanglong Avenue

  • 025-84148808(09:00-17:30)
  • info@bosikst.com
Shenzhen
Shenzhen Bosi Kousei Seimitsu Technology Co., Ltd.

Guangdong Province, Shenzhen City, Longgang District

4th Floor, Building 3, Guangqi Future Science and Technology Park,

No.18 Shanshui 2nd Road, Dakang Community, Yuanshan Subdistrict

  • 0755-28668169(09:00-17:30)
  • info@bosikst.com
Japan
Kousei Seimitsu Kogyo Co., Ltd.

Japan, Tokyo, Chiyoda-ku

4F, Kanda ST Building,

24-11 Kanda Tomiyamachi, 101-0043

  • +81 03-6206-9155(09:00-17:30)
  • info.jpn@bosikst.com
Vietnam
Kousei Seimitsu Vietnam Co., Ltd.

Office Opening Soon

  • info.vnm@bosikst.com
Malaysia
KOUSEISEIMITSU SDN. BHD

No.6, Jalan Subang 5,

Subang Industrial Estate, 47500 Selangor

  • +60 18-267 4993(09:00-17:30)
  • info.mys@bosikst.com
High-precision integrated cutting, grinding and polishing process

High-precision integrated cutting, grinding and polishing process

Integrate cutting, grinding and polishing into a unified process, achieving stable connection and precision control under a consistent process system.

Trust-connected Cooperation Network

Connect the world with an open perspective, building understanding and synergy between different markets and cultures. Leveraging continuously accumulated technology and service capabilities, gradually improve the global layout, achieving long-term development amidst stability and rhythm. No matter where you are, always provide reliable and sustained support to customers with consistent quality standards and responsiveness.

Global Services
Sumitomo Chemical Co., Ltd. SUMITOMO

A comprehensive Japanese chemical enterprise with business spanning petrochemicals, energy, and electronic chemicals. Drawing on accumulated material technologies, it provides chemical material solutions for the semiconductor and high-end manufacturing industries.

Sumitomo Chemical Co., Ltd. SUMITOMO
NORITAKE Co., Ltd.
Toray Coatex Co., Ltd

Technology and Industry Insights

Focusing on process practices, industry dynamics and technology trends, continuously delivering professional content and frontline information.

Weekly News Bulletin Oct 23, 2026 Industry News
2026-10-23
Weekly News Bulletin Oct 23, 2026
CIOE Concludes Successfully | Kousei Seimitsu Invites You to Witness the New Future of Optical Connectivity Exhibition
2026-09-11
CIOE Concludes Successfully | Kousei Seimitsu Invites You to Witness the New Future of Optical Connectivity
Grinding Wheel Structure Revealed: The "Triangular Collaboration" of Abrasive Grains, Bonding Agent, and Pores Craft · Industry Popularization
2026-01-19
Grinding Wheel Structure Revealed: The "Triangular Collaboration" of Abrasive Grains, Bonding Agent, and Pores

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