Kinsei Matec Co., Ltd.
Japanese specialist manufacturer of functional powder materials and industrial raw materials, founded in 1947 and headquartered in Osaka.
Last updated September 28, 2026
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Overview
Kinsei Matec Co., Ltd. is a Japanese manufacturer of industrial raw materials and functional powder materials, headquartered in Chuo-ku, Osaka. The company traces its origins to 1947, when it was founded as a maker of raw materials for welding rods, and was reorganized as a joint-stock company in 1952. Over roughly eight decades it has built its business around powder processing technology — crushing, classification, surface treatment and flattening — applied to a wide range of mineral, chemical, metal, alloy and ceramic raw materials. The company describes itself as a materials supply manufacturer supporting manufacturing across society. Its product range serves industries including steelmaking, casting (cast iron, steel and non-ferrous metals), welding rods, resins, electronics and paints, glass, ceramics and refractories, and life sciences such as cosmetics and agrochemicals. Functional categories include electromagnetic shielding and dielectric materials, heat-dissipating materials, flame retardants, surface treatment materials (thermal spray and blasting materials), melting and welding materials, friction materials, refractory materials, and contract processing services such as crushing, classification and surface treatment. It also offers material sourcing and overseas procurement. Kinsei Matec is particularly known for its handling of metallic silicon for the semiconductor industry, where it states it holds the top share in Japan by volume. Its materials also reach automotive applications, including engine, drivetrain and brake components, lights and bumpers, as raw materials or auxiliary materials in manufacturing. The company operates sales offices in Tokyo, Nagoya, Osaka and Fukuoka, and factories in Yokkaichi, Chiba, Amagasaki and Soma. It has overseas affiliates and operations in Malaysia, Thailand and China, including production sites in Tangshan and Suzhou. As of the fiscal year ended March 2026, the company reported capital of 379.5 million yen and sales of 41,419.35 million yen, with 140 employees and 178 shareholders. It remains a privately held Japanese company and continues to position itself as an essential, behind-the-scenes supplier to Japanese and global manufacturing.
History
Kinsei Matec's history begins in the pre-war period. In May 1939, the limited partnership Kinsei Kaisen Shokai was founded. In August 1947, Kinsei Kogyo Goshi Kaisha was established, starting the manufacture and sale of flux raw materials for arc welding rods and raw materials for steelmaking, casting and ceramics. This 1947 date is treated by the company as its founding. In March 1951, a Tokyo sales office was opened in Nishi-Hatchobori, Chuo-ku, Tokyo. In June 1952, the business was reorganized into Kinsei Kogyo Co., Ltd. (金生興業株式会社). In November 1953, an Osaka factory was built in Sumiyoshi-ku, Osaka, and in May 1955 it was expanded and relocated to Daito City. In December 1958, the head office was expanded and moved to Edobori 1-chome, Nishi-ku. In July 1962, a Kitakyushu branch office was opened in Kokura-ku, Kitakyushu City. In March 1964, the Chiba factory was built in Yachiyo City, Chiba Prefecture. In September 1966, the Amagasaki smelter was established in Amagasaki City, Hyogo Prefecture, and production began of zirconium silicate emulsion for ceramic raw materials. In September 1969, the Yokkaichi factory was built in Yokkaichi City, Mie Prefecture, a research laboratory was established, and a Yokkaichi branch office was opened. In May 1970, the Amagasaki smelter was renamed the Amagasaki factory. In May 1971, the head office was expanded and moved to Unagidani-Nakanomachi, Minami-ku, and the Yokkaichi branch office was moved to Nagoya City and renamed the Nagoya branch office. In July 1972, the Kitakyushu branch office was renamed the Kyushu sales office. In November 1972, Sanshin Giken Co., Ltd. (now Kinsei Kenzai Co., Ltd.) was established. In May 1973, the Nagoya branch office was renamed the Nagoya sales office. In August 1974, the Tokyo sales office was expanded and moved to Asakusabashi 5-chome, Taito-ku. In February 1979, the local subsidiary Singapore Kinsei Pte. Ltd. was established (later relocated to a Malaysian office). In December 1980, Kinsei Ceramics Co., Ltd. was established. In February 1986, the head office was expanded and moved to Minamisemba 2-chome, Chuo-ku. In May 1987, the computer department was separated to establish Kinsei Intelligence System Co., Ltd. In August 1994, the company changed its trade name to Kinsei Matec Co., Ltd. In August 1994, the Soma factory was built in Soma City, Fukushima Prefecture. In February 1996, a joint venture, KINCERA SDN.BHD., was established with the Malaysian company Texcera. In August 1998, ISO9002 certification was obtained (JQA-2532, Yokkaichi factory). In October 2000, a China Hebei office was opened (later consolidated into Tangshan Kinsei Functional Materials Co., Ltd.), and the Nagoya sales office was expanded and moved to Marunouchi 2-chome, Naka-ku, Nagoya. In January 2001, a Malaysian office was opened (later relocated to a Thai office). In July 2002, ISO14001 certification was obtained (JQA-EM2518, Yokkaichi factory), and Tangshan Kinsei Functional Materials Co., Ltd. was established in China. In August 2002, a new administration building was constructed at the Yokkaichi factory. In October 2003, Suzhou Kinsei Functional Materials Co., Ltd. was established in China. In July 2004, the head office, Osaka sales office and Kinsei Intelligence System Co., Ltd. were expanded and moved to Hiranomachi 2-chome, Chuo-ku, Osaka. In January 2005, a Thai office was established. In April 2005, the Kyushu sales office was expanded and moved to Hakata Ekimae 1-chome, Hakata-ku, Fukuoka City. In April 2006, the Tokyo sales office was expanded and moved to Kojimachi 5-chome, Chiyoda-ku. In August 2006, ISO9001 certification was obtained (CN06/01731, Suzhou Kinsei). In October 2007, ISO9001 certification was obtained (JQA-QMA13409, Amagasaki factory). In June 2009, ISO9001 certification was obtained (JQA-QMA14161, Chiba factory). In October 2010, the Kyushu sales office was expanded within the same building. By the fiscal year ended March 2026, the company reported sales of 41,419.35 million yen, capital of 379.5 million yen, 140 employees and 178 shareholders. It continues to operate as a privately held specialist in powder materials and industrial raw materials.
- 1998
ISO9002 certification obtained (JQA-2532, Yokkaichi factory)
- 1996
Joint venture KINCERA SDN.BHD. established with Malaysian company Texcera
- 1994
Trade name changed to Kinsei Matec Co., Ltd.; Soma factory built in Soma City, Fukushima Prefecture
- 1987
Computer department separated to establish Kinsei Intelligence System Co., Ltd.
- 1986
Head office expanded and moved to Minamisemba 2-chome, Chuo-ku
- 1980
Kinsei Ceramics Co., Ltd. established
- 1979
Singapore Kinsei Pte. Ltd. established (later relocated to Malaysian office)
- 1974
Tokyo sales office expanded and moved to Asakusabashi 5-chome, Taito-ku
- 1973
Nagoya branch office renamed Nagoya sales office
- 1972
Kitakyushu branch office renamed Kyushu sales office
Products and positioning
Specialist manufacturer of functional powder materials and industrial raw materials, positioned as a behind-the-scenes supporter of manufacturing with advanced powder processing and quality control.
Metallic silicon (M-Si)
High-purity silicon produced from silica, crushed and classified by Kinsei Matec; used in semiconductors. The company states it holds the top share in Japan by handling volume.
Ferrosilicon #2 and #3
Ferrosilicon powders produced since the company's early days; used in casting and refractories, and as flux material for welding rods.
Zircon sand and zircon flour
Zircon powder with high melting point, corrosion resistance and low thermal expansion; used in refractories, brake friction materials, ceramic glazes and abrasives. Ultrafine A-PAX is used as an opacifier for sanitary ware.
Alumina and aluminum hydroxide
Inorganic fillers with heat resistance and insulation properties; used in resins, rubber, paints and ceramics. Alumina contributes heat dissipation, aluminum hydroxide contributes flame retardancy.
Antimony trioxide
Used with halogen flame retardants to enhance flame retardancy and reduce additive amounts; Kinsei Matec is the general agent for Belgium's Campine.
Green Beads (special spherical foundry sand)
Spherical refractory sand made from high-alumina refractory raw materials using a proprietary process; offers excellent flowability and filling properties.
Metallic manganese
Used as an alloy additive.
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