Lines up various products; foundation, finishing, exterior work, shed, gate, and fence
Home electronics and IT products(Precision Parts Division)
Responds to IT-related products / home electronics giving consideration to accuracy, quality, delivery, cost, and environment
Shipbuilding(Fastener Division)
Provides various parts related to shipbuilding such as fastener component, which is the core of shipbuilding technology
Farm machines and implements(Fastener Division)
Procures fastener components and functional parts for various fields from domestic and overseas suppliers
Mega solar power generation(Fastener Division)
Products that enable installation, construction, and maintenance for various fields such as mega solar power generation
Road work(Fastener Division)
Provides products used at various points such as fastener component, civil engineering materials, loose stoppers
Vehicles(Fastener Division)
Turns functional parts configuring a vehicle into a commercial reality utilizing various technologies to provide them under quality control
On-vehicle parts(Precision Parts Division)
For on-vehicle parts, the customer's requirements are reflected to products, production process, and quality assurance system to aim at zero defect
Bridge construction work(Building Materials Division)
For a long and large iron bridge, fastener components such as high tension bolts and anchor bolts are used. For a PC bridge, various hardware is used.
Iron and steel(Building Materials Division)
Implements the construction of materials used for large-scale construction work, especially steel frame- work
Medical equipment(Precision Parts Division)
Puts effort into manufacturing giving consideration to development phase to mass production for medical treatment / healthcare
Crane(Fastener Division)
Procures fastener components and functional parts for various fields such as construction machinery / general industrial machinery from domestic and overseas suppliers
Large-scale construction work(Building Materials Division)
Our company's sales representatives play an active role in wide range of business such as infrastructure improvement and large-scale construction work
Notice on Business Integration and Relocation
Takamatsu Sales Office, Seto Sales Section of Fastener Division and Direct Sales Team were merged and promoted to Takamatsu Branch.
2022/05/01
Announcement on Group Companies
Please be informed that Sanko Co., Ltd. recently acquired all the shares of Sikoku Stud Industries Y.K., and included it in the Sanko Group.
2021/12/16
Announcement on Group Companies
Please be informed that Sanko Co., Ltd. recently acquired all the shares of San-ei seisakusho Co.,Ltd. and included it in the Sanko Group.
2019/10/24
Announcement on Group Companies
Please be informed that Sanko Co., Ltd. recently acquired all the shares of Miura Seibyosho Y.K., and included it in the Sanko Group.
2019/08/01
Notice on Company Split
Sanko Co., Ltd. and Seto Co., Ltd. conducted an absorption-type split on August 1, 2019, with the aim of further improving their business efficiency and development. At that time, we split the rivet and machine tool production and sales operations of Seto Co., Ltd. and transferred them to Sanko Co., Ltd. as the wholly owning parent company.