{"id":1444,"date":"2026-04-15T08:42:37","date_gmt":"2026-04-14T23:42:37","guid":{"rendered":"https:\/\/matsuikozai-corporate-wp.kiomiru-dev.com\/?page_id=1444"},"modified":"2026-05-17T16:13:01","modified_gmt":"2026-05-17T07:13:01","slug":"group","status":"publish","type":"page","link":"https:\/\/www.matsuikozai.com\/en\/company\/group\/","title":{"rendered":"Group Companies"},"content":{"rendered":"\n<h2>Group Companies<\/h2>\n<p class=\"p-group__heading\">The Comprehensive Strength of the Matsui Group<\/p>\n<p>\n  Centered around the three specialized areas of &#8220;Materials,&#8221; &#8220;Processing,&#8221; and &#8220;Engineering,&#8221; the Matsui Group continues to provide a wide range of services including manufacturing, logistics, and equipment maintenance. As a member of the Matsui Group, Matsui Kozai develops its business centering on the processing and sale of steel materials.<br>\n  Matsui Kozai&#8217;s strengths are our stable foundation leveraging the network of the entire group, and our flexible proposals and responsiveness rooted in the field as &#8220;steel professionals.&#8221;\n<\/p>\n<div class=\"p-group__figures\">\n  <div class=\"p-group__figures-info\">\n    <h4>Stainless-Product Inc<\/h4>\n\t<ul>\n      <li>Processing of stainless <br class=\"u-is-sp\">steel\/<br class=\"u-is-pc\">special steel<\/li>\n      <li>Joining processing of <br class=\"u-is-sp\">similar\/<br class=\"u-is-pc\">dissimilar <br class=\"u-is-sp\">diameter materials<\/li>\n    <\/ul>\n  <\/div>\n  <div class=\"p-group__figures-info\">\n    <h4>Matsui Machine Ltd.<\/h4>\n    <ul>\n      <li>Petroleum refining plant design<\/li>\n      <li>Chemical product plant design<\/li>\n      <li>Engineering services<\/li>\n    <\/ul>\n  <\/div>\n  <div class=\"p-group__figures-info\">\n    <h4>Matsui Kozai Inc.<\/h4>\n    <ul>\n      <li>Sales of stainless steel \/ <br class=\"u-is-sp\">special steel \/ high alloys<\/li>\n      <li>Various types of precision machining<\/li>\n    <\/ul>\n  <\/div>\n  <img decoding=\"async\" src=\"https:\/\/www.matsuikozai.com\/cms\/wp-content\/themes\/matsui-corp\/images\/group\/figure_en.webp\" alt=\"MMS Co., Ltd. Matsui Group\" width=\"1160\" height=\"746\" loading=\"lazy\">\n  <ul class=\"p-group__figures-diamonds\">\n    <li>\n      <p>Stainless <br>Steel Sales<\/p>\n    <\/li>\n    <li>\n      <p>Stainless <br>Steel Processing<\/p>\n    <\/li>\n    <li>\n      <p>Partner Sales<\/p>\n    <\/li>\n    <li>\n      <p>Exterior Products<\/p>\n    <\/li>\n  <\/ul>\n<\/div>\n\n<h3>\n  <span>Engineering<\/span>\n  <a href=\"https:\/\/www.matsuimachine.co.jp\/\" target=\"_blank\">Matsui Machine Ltd.<\/a>\n<\/h3>\n<div class=\"p-page__flex --img400 p-group__factory\">\n  <div class=\"text-wrap\">\n    <p>An engineering company responsible for designing petroleum refining plants and chemical product plants. Plant construction is &#8220;manufacturing for the sake of manufacturing,&#8221; and its design is an extremely important starting point. Matsui Machine Ltd. is a group of professionals who bear that critical role.<\/p>\n    <div class=\"p-group__factory-meta\">\n      <div class=\"p-group__factory-access\">\n        <p>4-10-11 Kawaguchi, Nishi-ku, Osaka-shi, Osaka 550-0021, Japan<\/p>\n        <a href=\"https:\/\/maps.app.goo.gl\/XnRCoPu95Mp9QaT1A\" target=\"_blank\">View Map<\/a>\n      <\/div>\n      <div class=\"p-group__factory-contact\">\n        <p>TEL: 06-6581-2571 (Main)<\/p>\n        <p>FAX: 06-6581-1329<\/p>\n      <\/div>\n    <\/div>\n    <div class=\"p-group__factory-gray-back\">\n      <p>Main Operations<\/p>\n      <ul>\n        <li>Sales of machinery, tools, machine tools, and peripheral equipment<\/li>\n        <li>Equipment proposals and implementation support at manufacturing sites<\/li>\n        <li>Maintenance and servicing for processing machinery and jigs\/tools<\/li>\n        <li>Technical proposals and consulting aimed at improving production efficiency<\/li>\n        <li>Support for supplying machinery and equipment to group companies and business partners<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n  <div class=\"img-wrap\">\n    <img decoding=\"async\" src=\"https:\/\/www.matsuikozai.com\/cms\/wp-content\/themes\/matsui-corp\/images\/group\/factory02.webp\" alt=\"Matsui Machine Ltd.\" width=\"800\" height=\"540\" loading=\"lazy\">\n  <\/div>\n<\/div>\n\n<h3>\n  <span>Precision Machining \/ Dissimilar Material Joining<\/span>\n  <a href=\"https:\/\/www.stainless-pro.co.jp\/\" target=\"_blank\">Stainless-Product Inc<\/a>\n<\/h3>\n<div class=\"p-page__flex --img400 p-group__factory\">\n  <div class=\"text-wrap\">\n    <p>\n      A group company specializing in the processing division for stainless steel and special steel materials. In addition to Osaka where the head office is located, it has bases in Shodoshima, Hiroshima, Shiga, etc., and supports the Matsui Group&#8217;s product supply capability and solution power by making full use of extensive equipment and technology.\n    <\/p>\n    <div class=\"p-group__factory-meta\">\n      <div class=\"p-group__factory-access\">\n        <p>4-10-11 Kawaguchi, Nishi-ku, Osaka-shi, Osaka 550-0021, Japan<\/p>\n        <a href=\"https:\/\/maps.app.goo.gl\/XnRCoPu95Mp9QaT1A\" target=\"_blank\">View Map<\/a>\n      <\/div>\n      <div class=\"p-group__factory-contact\">\n        <p>TEL: 06-6581-2571 (Main)<\/p>\n        <p>FAX: 06-6581-1329<\/p>\n      <\/div>\n    <\/div>\n    <div class=\"p-group__factory-gray-back\">\n      <p>Main Operations<\/p>\n      <ul>\n        <li>Manufacturing of metal processed products, including steel materials like stainless steel<\/li>\n        <li>Various processing tasks such as machining \/ drilling<\/li>\n        <li>Custom-made product manufacturing based on drawings<\/li>\n        <li>Promoting efficiency and quality improvement in the processing process<\/li>\n        <li>Integrated production system through collaboration with Matsui Kozai and Matsui Group companies<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n  <div class=\"img-wrap\">\n    <img decoding=\"async\" src=\"https:\/\/www.matsuikozai.com\/cms\/wp-content\/themes\/matsui-corp\/images\/group\/factory01.webp\" alt=\"Stainless-Product Inc\" width=\"800\" height=\"540\" loading=\"lazy\">\n  <\/div>\n<\/div>\n\n\n<h2>Partner Companies<\/h2>\n<p>\n  Through collaboration with Matsui Group companies and cooperating partner companies nationwide, Matsui Kozai has established a system capable of consistently handling diverse processes such as machining, welding, surface treatment, and assembly.\n<\/p>\n\n<h2>Suppliers<\/h2>\n<ul class=\"p-group__links\">\n  <li>\n    <a href=\"https:\/\/www.aichi-steel.co.jp\/\" target=\"_blank\">\n      <img decoding=\"async\" src=\"https:\/\/www.matsuikozai.com\/cms\/wp-content\/themes\/matsui-corp\/images\/group\/partner01.webp\" alt=\"Aichi Steel Corporation\" width=\"768\" height=\"160\" loading=\"lazy\">\n      <p>Aichi Steel Corporation<\/p>\n    <\/a>\n  <\/li>\n  <li>\n    <a href=\"https:\/\/www.tmy-net.co.jp\/\" target=\"_blank\">\n      <img decoding=\"async\" src=\"https:\/\/www.matsuikozai.com\/cms\/wp-content\/themes\/matsui-corp\/images\/group\/partner02.webp\" alt=\"TMY Corporation\" width=\"768\" height=\"160\" loading=\"lazy\">\n      <p>TMY Corporation<\/p>\n    <\/a>\n  <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Group Companies The Comprehensive Strength of the Matsui Group Centered around the three specialized areas of  [&hellip;]","protected":false},"author":2,"featured_media":0,"parent":894,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"_locale":"en_US","_original_post":"https:\/\/www.matsuikozai.com\/cms\/?page_id=665","footnotes":""},"class_list":["post-1444","page","type-page","status-publish","hentry","en-US"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/pages\/1444","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/comments?post=1444"}],"version-history":[{"count":18,"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/pages\/1444\/revisions"}],"predecessor-version":[{"id":1985,"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/pages\/1444\/revisions\/1985"}],"up":[{"embeddable":true,"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/pages\/894"}],"wp:attachment":[{"href":"https:\/\/www.matsuikozai.com\/wp-json\/wp\/v2\/media?parent=1444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}