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  1. Home
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  3. 井上石灰工業
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井上石灰工業

EstablishmentEstablished: June 1960, Founded: 1884
capital2000Ten thousand
number of employees76
addressKochi/Nangoku-shi/2-3-5 Hotarugaoka
phone088-855-9965
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last updated:Feb 19, 2026
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  • Products/Services(22)
  • catalog(21)
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井上石灰工業 Company Overview

Making the world more interesting through lime.

Our company offers a variety of products using lime, starting from slaked lime for traditional building materials, to ultra-pure calcium oxide and calcium hydroxide for medical and reagent use, special metal oxides, and pesticide active ingredients. Additionally, we are engaged in the development of agricultural support systems aimed at revitalizing the agricultural sector and contributing to the community through lime products, as well as supporting the breeding business that assists in the cultivation and sale of crops.

Business Activities

■ Rubber and Resin Field - Composite active zinc oxide, desiccants for rubber and resin - Suitable active calcium oxide - Manufacturing and sales of high-purity calcium hydroxide ■ Pesticides and Fertilizers Field - Manufacturing and sales of fertilizers and pesticides ■ Building Materials and Industrial Field - Manufacturing and sales of drawing treatment agents (lubricants) ■ Medical, Pharmaceutical, and Food Field - Manufacturing and sales of high-purity calcium oxide and calcium hydroxide ■ Breeding Field - Cultivation and sales of the tomato "Sweetia" - Cultivation of wine grapes

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Products/Services (22)

Announcement of Participation in the 2026 New Environment Exhibition product image
Announcement of Participation in the 2026 New Environment Exhibition
High-performance pre-treatment lubricant "MAC-SH Series" product image
High-performance pre-treatment lubricant "MAC-SH Series"
High-performance pre-treatment lubricant for high-function stretching wire 'MAC RF-20' product image
High-performance pre-treatment lubricant for high-function stretching wire 'MAC RF-20'
High-performance pre-treatment lubricant 'MAC NT-20' product image
High-performance pre-treatment lubricant 'MAC NT-20'

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catalog(21)

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Rubber Dehydrating Agent "VESTA"

Rubber Dehydrating Agent "VESTA"

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High-performance pre-treatment lubricant "MAC-SH Series"

High-performance pre-treatment lubricant "MAC-SH Series"

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High-performance pre-treatment lubricant for high-functioning wire drawing 'MAC RF-20'

High-performance pre-treatment lubricant for high-functioning wire drawing 'MAC RF-20'

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High-performance pre-treatment lubricant 'MAC NT-20'

High-performance pre-treatment lubricant 'MAC NT-20'

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news(2)

IPROS7329632900646800421.png

Notice of Participation in the 2026 New Environment Exhibition

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Our company will be exhibiting at the "NEW Environmental Exhibition" held at Tokyo Big Sight from May 20 (Wednesday) to May 22 (Friday), 2026. https://joho-kochi.or.jp/lp/n-expo.php 【Exhibited Products】 - Calcium hydroxide for slurry - Quick-acting, high-hygroscopic calcium oxide - Zinc oxide (active zinc oxide) - Simonkolleite When you visit, please be sure to stop by our booth (East Hall 7 H702). We sincerely look forward to your visit.

May 08, 2026

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Notice of Participation in the 44th "Health Expo @ Tokyo Big Sight" from February 25 (Wednesday) to February 27 (Friday), 2026.

  • SEMINAR_EVENT

Our company exhibited at the "44th Health Expo," one of Japan's largest BtoB exhibitions for the health industry, held at Tokyo Big Sight from February 25 (Wednesday) to 27 (Friday), 2026. At our booth (6E-11), we showcased a variety of upcycled materials derived from underutilized resources nurtured by nature, as well as high-quality organic ingredients, under the theme of "Proposals for Materials from Kochi Prefecture." With keywords like "upcycle," "sustainable," and "organic," we presented materials that have grown alongside the natural environment of Kochi.

Feb 26, 2026

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Detailed information

Company name 井上石灰工業
number of employees76
Contact addresspostalcode 783-0060 Kochi/ Nangoku-shi/ 2-3-5 HotarugaokaView on map TEL:088-855-9965 FAX:088-880-8808
Business LocationsClick here for the list
Industry Chemical
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