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最終更新日時: 2017/04/27 14:06:12

Toyo Koka Co., Ltd.

We are experienced in regenerative plating for machine parts.

We are engaged in metal surface treatment. Our main businesses are industrial chrome plating, nickel plating, and arc ion plating. We also perform special processing such as cemented carbide thermal spraying for hardening and smoothing. We are experienced in regenerative processing for hydraulic cylinder rods and tubes for hydraulic shovels, as well as regenerative processing for motorcycle front fork inner tubes and rear suspension rods. We have experience doing business with companies in Japan and abroad. We support polishing, welding, and repairs of unusable or missing parts.

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[Company strength]
Our company is proficient in integrated single-item machining and management. We continuously receive orders from an iron manufacturing company for repairing their press rolls. We do everything from regenerative chrome plating and crown grinding of roll surfaces to shaft build-up welding and rotator balancing to satisfy customer orders. We will pursue quicker turnarounds and lower costs by instantly dealing with irregular orders and suppressing takeout to provide satisfactory services to our customers.

[Business description]
Our company was established as a hard chrome plater in 1960. We are currently doing business in three main areas.
(1) Industrial chrome plating, nickel plating, arc ion plating, and special processing such as cemented carbide thermal spraying for hardening and smoothing.
(2) Comprehensive metal surface treatment with various machining equipment by also incorporating polishing and welding into our in-house technologies as pre-processing for plating.
(3) Repairing unusable or missing parts in Japan or abroad, or rebuilding parts from scratch without a drawing.


[Industry]
Metal surface treatment

[Strength of products/technologies]
We have conducted many years of research on multilayer film formation, which is difficult for other surface treatment agents to achieve. We have now adopted multilayer films for many machine parts as our standard.
(1) Motorcycle front fork inner tubes: Nickel plating (anti-rusting), chrome plating (hardening), and titanium coating (smoothing).
(2) Pump plungers for grouting: SUS thermal spraying (recovery of severely worn dimensions) and chrome plating (hardening and smoothing).
Our company has implemented two large honing machines for quick repairs of the interior chrome plating of cylinder linings, which is considered to be difficult.


[Representative's message]
We have been satisfying various customers needs since our inauguration. Our market has extended from Kurume City, where our company was founded, to all of Kyushu, Western Japan, and other areas throughout the country. Now we even have customers outside Japan. We continuously receive orders for surface treatment and regenerative processing for materials that are upgraded daily in manufacturing industries. This includes composite materials of metals and non-metals, powdered light metals, and metals with ultra-high hardness. We will create the future while developing effective technologies and services as a company regenerating parts with high added value.

[Company structure for market development/overseas expansion]
We respond to inquiries, directly visit customers, and participate in two or more exhibitions and several trade fairs a year. Our publicity efforts also include sending several thousand items of direct mail regarding our unique development several times a year. Our head office is in Kurume City, and we have two sales sites in Western Japan. One is our Kansai sales office in Shiga Prefecture and the other is our Oita sales office. We have a total labor force of 80 people, which includes 11 salespersons who are at work throughout Japan every day, from Hokkaido to Okinawa. We have been focused on Russia for several years because we have received many orders for repairing or remanufacturing large construction machines. Our company has staff members who are proficient in Russian.


[Market share/Ranking]
We have a top-ranking share in the market for regenerative processing for hydraulic cylinder rods and tubes for hydraulic shovels. We also have a top-ranking share in the market for regenerative processing for motorcycle front fork inner tubes and rear suspension rods. (No numeric data.)

[Awards and media coverage]
[Awards]

[Media]
Bike Bros., “MOTO MAINTENANCE;” Yaesu Publishing, “Motorcyclist.”


[Authorization/Certification]
Class 2 Pollution Control Manager Related to Water Quality, Person Responsible for Handling General Poisonous and Deleterious Substances, and so on.

[Main Clients / Business History (domestic)]
Mitutoyo Corporation (consignment chrome plating and grinding of master gauges used for manufacturing micrometers and other measuring instruments, ongoing); ABB K.K. (consignment special plating of coating nozzles for automobile coating robots, ongoing); JFE Steel Corporation, Nippon Steel & Sumitomo Metal Corporation (consignment chrome plating and grinding or honing of rolls and cylinders used in iron works, ongoing).

[Main Clients / Business History (overseas)]
Hitachi Construction Machinery (Shanghai) Co., Ltd. (consignment regenerative chrome plating of piston rods for hydraulic shovels, ongoing); Toyota Tsusho (Shanghai) Co., Ltd. (consignment regenerative chrome plating of piston rods for hydraulic shovels, 2013).

この企業は以下の支援機関から推薦されています

Kyushu Head Office, SMRJ
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