About TOYOSEIKI

TOYO SEIKI SEISAKU-SHO, LTD. (東洋精機製作所, “Orient Precision Machinery Works”) is a Japanese manufacturer of material testing machines for plastics, plastic film, rubber, paper, paint, ink, coating, textile and leather industries.

Overview

Toyoseiki was founded in Tokyo, Japan, 1934 as a manufacturer of materials testing equipment for paper, textiles, and rubber industries.

Since the 1950s, we have focused on material testing machines for plastics and other polymer materials.

Our portfolio includes Universal Testing Machines, Impact Testing Machines, Melt Flow Index Testers and Modular Torque Rheometers. Our products are widely used for quality control and R&D by a wide range of customers, including major manufacturers of materials, automotive, industrial, and household goods, as well as public testing and research institutes and educational institutions in worldwide.

Toyoseiki has been an industry pioneer in fully-automated material testing machibes since the 1970s, and has a particularly strong reputation in the fields of Melt Flow Index Testers, HDT/Vicat Testers and Tensile/Flexural Testing Machines.

Unique testing instruments such as Automatic Plastic/Rubber Density Tester and Portable Rubber Tack Tester are also part of our portfolio.

Our Customers

Headquarters	5-15-4 Takinogawa, Kita-ku, Tokyo 114-8557, Japan
Foundation	March 1st, 1934
Founder	Shozo Endo (1900-1990)
Number of employees	155 (as of March, 2023)
Factories	Tokyo Factory (5-4-23, Ukima, Kita-ku, Tokyo 115-0051, Japan) Tokyo Factory Funado Support Center (1-2-6, Funado, Itabashi-ku, Tokyo 174-0041, Japan)

History

From the 1930s to the 1950s, the company mainly manufactured testing equipment for paper, textiles, and inks. Since the 1960s, TOYOSEIKI has been manufacturing and selling mainly testing equipment for plastics and rubber.

1934 – Founded by Shozo Endo in Sarugaku-cho, Kanda, Tokyo. (March 1st)
1939 – Moved to Takinogawa, Tokyo and established company.

Takinogawa new company building dedication ceremony (1939)

1950 – Focused on development of pulp and paper testing machines.
1953 – Production of Inkometer and Hoover type Muller begins.

Inkometer (R), Hoover type Muller (L)

1955 – Production of Melt Flow Indexer begins.

Melt Flow Indexer (1955)

1958 – Itabashi Factory begins operations.

Takinogawa Head Office (1959)

1960 – Production of the “Strograph” load cell type universal testing machine begins.

Universal Testing Machine “Strograph” (1960)

1962 – Musashi Factory begins operations; Osaka Branch opens.

Musashi Factory (1962)

1963 – Production of rubber vulcanization tester “Oscillating Disk Rheometer” begins.
1964 – Received certification as an export-contributing company
1968 – Production of Building Material Combustibility Tester begins; Nagoya Branch opens.
1970 – Production of Torque Rheometer “Labo Plastomill™” begins.
1974 – Production of Biaxial Stretching Tester begins.
1978 – Production of Automatic Densimeter begins.
1982 – Production of Capillary Rheometer “Capillograph™” begins.
1988 – Tokyo Factory begins operations.

Tokyo Factory (1988)

1997 – Obtained ISO 9001 certification, the international standard for quality management systems.
2002 – Tokyo Factory Funado Support Center begins operations.
2012 – Established Dongyang Jingji Trading (Shanghai) Co., Ltd. (China)

Products history

Offices & Factories

Headquarters – Takinogawa, Kita-ku, Tokyo, Japan
Osaka branch – Minamikaneden, Suita-shi, Osaka, Japan
Nagoya branch – Tsutsui, Higashi-ku, Nagoya, Japan
Tokyo factory – Ukima, Kita-ku,Tokyo, Japan
Tokyo Factory Funado Support Center – Funado, Itabashi-ku, Tokyo, Japan

Subsidiary

Dongyang Jingji Trading (Shanghai) Co., Ltd. (China)

Products

Universal Testing Machines “Strograph™”
Melt Flow Indexer
Capillary Rheometer “Capilograph™”
Impact Tester
Abrasion Tester
COF Tester
Creep Tester
MIT Folding Endurance Tester
DeMattia Flex Cracking Tester
Vibration Fatigue Tester
Elmendorf Tearing Tester
Mullen type Burst Tester
Stiffness Tester
HDT/VICAT Tester
Flammability Tester
Cone Calorimeter
Geer Oven
Ozone Aging Test Chamber
Gurley type Densometer
Gas/Water Vapour Transmission Rate Tester
Torque Rheometer/Measuring Mixer & Extruder System “Labo Plastomill™”
Moving Die Rheometer
Mooney Viscometer
Automatic Densimeter
Pencil Scratch Hardness Tester
Film Stretching Tester
Heat Gradient Tester
Brittle Point Temperature Tester
Gehman Stiffness Tester
Low Temperature Retraction Tester (TR Tester)
Rubber Resilience Tester
Tack Tester
Inkometer

Universal Testing Machine “Strograph™
Semi-Auto Melt Flow Indexer
Charpy/Izod Impact Tester
HDT/VICAT Tester
Geer Oven
Torque Rheometer/Measuring Mixer & Extruder System “Labo Plastomill™”
Moving Die Rheometer