Sanjin Industrial Co., Ltd.

Founded as Sanjin Industrial Works.

Established Sanjin Industrial Works Co., Ltd. in Hinode‑cho, Kawasaki‑shi.

Changed the company name to Sanjin Industrial Co., Ltd.

Obtained crane manufacturing license under Article 3 of the Crane Safety Regulations.

Relocated headquarters and factory to the current location.

Acquisition of First Class Pressure Vessel Manufacturing License under Article 46, Item 2 of the Labor Standards Act and Article 39, Item 1 of the Boiler and Pressure Vessel Safety Regulations.

Acquisition of welding method license based on Article 46, Paragraph 2, Item 1 of the Electric Power Industry Act.

Approval of welding method based on Technical Standards of Notice No. 8 of the Gas Industry Act.

Approval of special equipment under Article 17-3, Paragraph 1 of the General High-Pressure Gas Regulations of the High-Pressure Gas Control Law.

Completion of the single-occupancy dormitory "Youth Heim Sanshin."

Completion of new headquarters multi-purpose warehouse.

Acquisition of boiler manufacturing permit under Article 37, Paragraph 2 of the Industrial Safety and Health Act and Article 3, Item 1 of the Boiler and Pressure Vessel Regulations.

Opening of the Sapporo branch in Sapporo City, Hokkaido.

Acquisition of welding method license under Article 16-4, Item 2 and Article 46-2, Paragraph 2 of the Nuclear Material, Nuclear Fuel Material and Reactor Regulation Act.

Acquisition of First Class Factory Evaluation Certification for Welding Construction Management under the Electric Power Industry Act (factory and on-site qualification).

Acquisition of fixed-pressure vessel manufacturing permit under the China Ministry of Labor Import Boiler and Pressure Vessel Safety Quality Permit System.

Quality Management System audit registration by the Foundation for Power Equipment Technical Inspection Association ISO Audit Registration Center [JIS Q9001:2000 (ISO 9001:2000)].

Start of specified labor dispatch services

Commencement of various valve maintenance operations.

Continuous registration from ISO9001-2000 to ISO9001-2008 (2008 edition) is certified.

Completion of "Heights Three Advance."

Becomes a group company of Tsukishima Machinery Co., Ltd.

Continuous registration from ISO9001-2008 to ISO9001-2015 (2015 edition) is certified.

Private product certification standard for welding parts of electrical apparatus is recognized by the General Foundation for Power Equipment Technical Inspection Association, and the Certificate of Process Certification I is received.