Company Profile

Company Name	Hotty Polymer Co., Ltd.
Head Office	4-43-8 Higashimukojima, Sumida-ku, Tokyo 131-0032　Access Map
Phone	03-3614-4100 (Main)
FAX	03-3614-4162
Kuki Plant (No. 1) Location Phone FAX	1-8 Kiyoku Industrial Park, Kuki-shi, Saitama 346-0035　Access Map 0480-21-5645 (Main) 0480-23-5663
Kuki Plant (No. 2) Location	2-1 Kiyoku Industrial Park, Kuki-shi, Saitama 346-0035
Kyoto Sales Office Location Phone FAX	FIS Building 2F, 403 Shimomaruyacho, 2-chome, Kawaramachi-dori Nijo-sagaru, Nakagyo-ku, Kyoto-shi, Kyoto 604-8006　Access Map 075-555-3247 075-256-8754
3D Printer Open Lab Keio University Central Testing Laboratory Location	Room 217, Building No. 36, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama-shi, Kanagawa 223-8522 Access Map
Establishment	March 23, 1951
Business Activities	Manufacturing and sales of rubber and plastic products (Foam products, multicolor co-extruded products, metal insert products, joint press processing, high-performance transport rollers, molded products) Development and sales of 3D printers, and development, manufacturing, and sales of filaments for 3D printers Contract-based 3D modeling processing services
Capital	20 million yen
Number of Employees	105 Group Total 154 (As of August 2024)
Head Office Site Area Building Area	1,333 m² 670 m²
Kuki Plant (No. 1) Site Area Building Area	3,050 m² 2,865 m²
Kuki Plant (No. 2) Site Area Building Area	3,001 m² 1,206 m²
Fiscal Year-End	March 31
Main Banks	MUFG Bank, Mukojima Branch Sumitomo Mitsui Banking Corporation, Asakusa Branch Mizuho Bank, Oshiage Branch Asahi Shinkin Bank, Higashi-Mukojima Branch Shoko Chukin Bank, Head Office Japan Finance Corporation
Affiliations	Japan 3D Printing Industrial Technology Association Manufacturers’ Association of Building Gaskets Japan Rubber Manufacturers Association Society of Rubber Science and Technology, Japan Bokuto-Rubber Industry Association TGS (Tobu Industrial Rubber Products Wholesalers Association) Kuki City Kiyoku Industrial Park Council Tokyo Chamber of Commerce and Industry Tobu Rubber Health Insurance Society
Product Lineup	(1) High-performance rubber extrusion and compression products NR, SBR, CR, NBR, EPDM, Q, FKM, and others (2) High-performance resin extrusion and injection products TPE, PVC, PP, PE, PS, ABS, PC, super engineering plastics, plant-based plastics, and others (3) 3D printers, filaments, and contract-based printing services MEX, SLA, LCD, and LAM-type 3D printers, as well as MEX-type 3D printer filaments
Certifications	ISO 9001:2015 (JMAQA-448) ISO 14001:2015 (JMAQA-E480) (Kuki Plants only)

Company Profile (Revised 2023)

Head Office

Kuki Plant No.1

Kuki Plant No. 2 Plant No. 2 (New Resin Plant Building)

Rubber Extrusion Products Resin Extrusion Products

3D Printer Showroom

Facilities

Rubber Manufacturing Equipment	Rubber Continuous Vulcanization Lines : 6 lines Extruders 9 units Kneaders : 1 unit Open Roll Mills : 4 units
Resin Manufacturing Equipment	Resin Production Lines : 13 lines Extruders : 30 units
3D Printer Equipment	MEX-Type 3D Printers : 33 units LAM-Type 3D Printers : 6 units SLA-Type 3D Printers : 1 unit MSLA-Type 3D Printers : 1 unit DLP-Type 3D Printers : 1 unit LCD-Type 3D Printers : 3 units PolyJet-Type 3D Printers : 1 unit 3D Scanners : 2 units

Rubber Extrusion Line

Resin Extrusion Line

Related Group Subsidiary Nakano Manufacturing Co., Ltd.

Company Name	Nakano Manufacturing Co., Ltd.
Location	Head Office 3-30-6 Hosoda, Katsushika-ku, Tokyo 124-0021 Nagasaki Plant 57-28 Hattandago, Higashisonogi-cho, Higashisonogi-gun, Nagasaki 859-3922 Inside Higashisonogi Green Techno Park
Established	November 1987
Business Activities	Manufacturing and sales of industrial rubber products Design, manufacturing, and sales of rubber rollers and rubber belts Design, manufacturing, and sales of ceramic rollers (High-performance transport rollers and the rubber-plastic cross-linked composite material “Radicalock”)
Capital	10 million yen
Website	http://www.nakasei.co.jp/index.shtml

Nagasaki Plant (Exterior)

High-Performance Transport Rollers

Rubber-Plastic Cross-Linked Composite Material “Radicalock”

Hotty Polymer (Thailand) Co., Ltd.

Company Name	Hotty Polymer (Thailand) Co., Ltd.
Location	42/30 Moo 4 Rojana Industrial Park 2 Tambol U-thai Amphur U-thai Ayudhaya Thailand 13210
Established	February 2011
Business Activities	Manufacturing and sales of plastic products
Capital	33,000,000 Baht (approx. 100 million yen)
Site Area	2.8 RAI (approx. 1,350 tsubo)
Local Website	https://fact-link.com/page/hotty/en

History

1948	Established Hotta Rubber Works (began manufacturing rubber footwear)
1951	Reorganized as Hotta Rubber Industry Co., Ltd. (capital of 500,000 yen)
1963	Began production of extruded rubber products
1972	Increased capital to 10 million yen
1980	Introduced UHF continuous vulcanization equipment
1984	Started manufacturing of foam products
1985	Began operations at the Kuki Factory; developed composite products such as solid-foam double extrusions
1987	Launched full-scale operation of silicone rubber production line
1992	Launched computer system and installed metal insert production line
1995	Increased capital to 20 million yen; started 5S activities
1996	Launched company website on the internet
1997	Introduced new personnel and salary system
1998	Installed resin production line
1999	Launched new PC system; obtained ISO 9001 certification
2000	Started full-scale operation of Kuki Plant No. 2 and new technology building
2001	Began mass production of triple-layer resin extrusion; started in-house production of rigid resin
2002	Began quality control using microscopes; launched HOPS activities
2003	Transitioned to the ISO 9001:2000 standard
2004	Obtained ISO 14001 certification
2005	Commenced operations at new resin plant within Plant No. 2
2007	Changed company name to Hotty Polymer Co., Ltd.
2008	Started production of super engineering plastic microtubes
2011	Established Hotty Polymer (Thailand) Co., Ltd.
2013	Introduced 3D printers
2014	Opened Kyoto Sales Office
2017	Transitioned to ISO 9001:2015 and ISO 14001:2015 standards
2019	Full-scale launch of the 3D printer business
2020	Introduced the silicone 3D printer “L320”; started sales and contract-based printing services
2021	Opened a “3D Printer Showroom” at the Kuki Plant Introduced and began selling DfAM software “nTopology”
2022	Developed and announced in-house developed 100% silicone rubber 3D printer “SILICOM”
2023	Started selling in-house developed 100% silicone rubber 3D printer “SILICOM” Standard Type/Desktop Type Partnered with Swany Co., Ltd. to introduce and start the “Digital Mold/Design Factory” service Opened a “3D Printer Open Lab” at the Keio University Yagami Campus Central Testing Laboratory Launched full-scale operation of “3D Scan Data Creation and Molding Service”
2024	Introduced and began selling the direct pellet 3D printer “WASP” Formed a capital and business alliance with Nakano Manufacturing Co., Ltd. Started selling high-performance conveyor rollers and the rubber-plastic cross-linked composite material “Radicalock”

We are waiting for technical consultation and sample requests!

Please feel free to contact us for inquiries about our products, technical consultation for rubber/resin extrusion molding, requesting samples of our products, etc.
In addition, this inquiry is for corporations only. Please note that we cannot answer inquiries from individuals.

Inquiries by phone

03-3614-4100