関工範 List of Products and Services

Seki Kouhan Co., Ltd. was established in 1924 by the previous owner, Mr. Seki Mikiyoshi, in Togoshi, Tokyo, starting with the production of pillar gauges and screw gauges. Since then, we have upheld technology and trust as our motto for many years. We have manufactured agricultural parts, refrigerator components, bearings, and more, but due to the changing needs of the times, our products have evolved. Since around 1970, we have shifted to the production of mold plates and die set processing, continuing to this day. Here are some of the products manufactured by Seki Kouhan Co., Ltd. 【Product Line】 ○ Die sets ○ Jigs and molds ○ Steel die sets ○ Press mold components ○ Fully processed steel die sets ○ Plate processing for jigs For more details, please contact us or download our catalog.

• Contract manufacturing
• Processing Contract

Seki Kouhan Co., Ltd. was established in 1924 by the previous owner, Mr. Seki Mikiyoshi, in Togoshi, Tokyo, starting with the production of pillar gauges, screw gauges, and more. Since then, we have upheld technology and trust as our motto for many years. We have manufactured agricultural parts, refrigerator parts, bearings, and other products, but due to changing market needs, our manufacturing focus shifted around 1970 to the production of mold plates and die sets, which continues to this day. Here are some of the products manufactured by Seki Kouhan Co., Ltd. 【Product Line】 ○ Die Sets ○ Jigs and Molds ○ Steel Die Sets ○ Press Mold Parts ○ Fully Processed Steel Die Sets ○ Plate Processing for Jigs For more details, please contact us or download our catalog.

• Contract manufacturing
• Processing Contract

Seki Kouhan Co., Ltd. was established in 1924 by the previous owner, Mr. Seki Mikiyoshi, in Togoshi, Tokyo, starting with the production of pillar gauges and screw gauges. Since then, we have upheld technology and trust as our motto for many years. We have manufactured agricultural parts, refrigerator components, bearings, and more, but due to the changing needs of the times, our products have evolved. Since around 1970, we have shifted to the production of mold plates and die set processing, continuing to this day. Here are some of the products manufactured by Seki Kouhan Co., Ltd.: 【Product Line】 - Die sets - Jigs and molds - Steel die sets - Press mold components - Fully processed steel die sets - Plate processing for jigs For more details, please contact us or download our catalog.

• Contract manufacturing
• Processing Contract

Seki Kouhan Co., Ltd. was established in 1924 by the previous owner, Mr. Seki Mikiyoshi, in Togoshi, Tokyo, and began manufacturing pillar gauges, screw gauges, and other products. Since then, we have upheld technology and trust as our motto for many years. We have produced parts for agricultural machinery, refrigerator components, bearings, and more, but due to changing market demands, our products have evolved. Since around 1970, we have shifted our focus to manufacturing mold plates and die sets, continuing to this day. Here are some of the products manufactured by Seki Kouhan Co., Ltd. 【Product Line】 ○ Die sets ○ Jigs and molds ○ Steel die sets ○ Press mold components ○ Fully processed steel die sets ○ Plate processing for jigs For more details, please contact us or download our catalog.

• Contract manufacturing
• Processing Contract

Seki Kouhan Co., Ltd. was established in 1924 by the previous owner, Mr. Seki Mikiyoshi, in Togoshi, Tokyo, starting with the production of pillar gauges and screw gauges. Since then, we have upheld technology and trust as our motto for many years. We have manufactured agricultural parts, refrigerator parts, bearings, and more, but due to the changing needs of the times, our products shifted to the manufacturing of mold plates and die sets around 1970, leading us to the present day. Here are some of the products manufactured by Seki Kouhan Co., Ltd. 【Product Line】 ○ Die sets ○ Jigs and molds ○ Steel die sets ○ Press mold parts ○ Fully processed steel die sets ○ Plate processing for jigs For more details, please contact us or download the catalog.

• Contract manufacturing
• Processing Contract