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Our company has been in existence for about 70 years and has established
its reputation as the manufacture specialized in producing the precipitation
hardening type conductor alloys, as the result of putting our energies
into
various developments and improvements of the products
with both of better conductivity as well as durability.
Our company has made every effort in giving effect to
our customers'
request for the shape reduction in prices of conductor
materials with high quality and succeeded in providing
with new products and new materials.
Our company is the only manufacturer specialized of the
special copper
alloys for conductor material, which has the through from
melting to finishing.
We are with the thought of trying hard in improvements
in the level of our technical know-how in order to meet
our customers' requirements. |
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Outline
of Company
Name of
Company |
TPR EK METALS CO., LTD. |
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| 1st
Plant |
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| Head Office/Plant |
2147-1 Ohta. Sakura-city.
Chiba-pref. 285-0808 Japan
Tel. 043-486-6611 |
| Date of Establshment |
April 23,1956 |
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2nd
Plant
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| 2nd Plant enlargement |
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| Capital |
￥75,000,000- |
| Share holder |
TPR Co.,Ltd. |
| Main Products |
Drawn bars, Hexagonal bars
Forged Products
bars,plate,sguares,shafts,
disks,rings
Rolled sheets
Machined
electrode,jigs,guns,holders,
tips,others |
Land
Building
1st Plant |
| 2nt
Plant |
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3,477.05m2
1,312.56m2
1,227.37m2 |
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ISO 9001:2015
ISO14001:2015 |
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The
History of Company
| Apr.1951… |
The enterprise“Sanwa
Tannetsu Kogyosho”was
founded by Yoshiro Komatsu. A precipitation
hardnening type copper alloy’s manufacture and
sale ware begun for aluminium bronze and
conductive products. |
| Apr.1956… |
An lnitial Capital of \500,000.-was used to begin
a corporation. The trade name became Edogawa
Metals Co., Ltd., and its headquarters was located
in Chuo-ku, Tokyo. |
| May.1961… |
A business and technical merger with
Teikoku Piston
Ring Co., Ltd., (Now is TPR Co.,Ltd.)was formed and capital participation
was gained. |
| Aug.1975… |
The new product TZ-7 was announced, |
| Apr.1978… |
Capital was increased to \25,000,000. The casting
factory was constructed at the industrial housing
complex in Sakura-city., and new machinery was
installed. |
| Apr.1990… |
The second factory was started. |
| Dec.2004… |
It develops the special materials
EKB-55 was
announces the Beryllium-copper. |
| May.2004… |
It was certification ISO14001. |
| Apr.2006… |
I win TPR group ″quality excellent business establishment Prize″consecutively for three years. |
| Dec.2006… |
I acpuire the middle land of first factory and the second factory. |
| Jan.2007… |
ISO9001 certification acquisition. |
| Jan.2007… |
I increase the capital to capital \75,000,000. and plan the enlargement of the factory. |
| Oct.2007… |
The enlargement of the second plant. |
| Jul.2008… |
1.5ton high frequency electric induction furnace of new casting equipment
is introduced. |
| Oct.2011… |
New company name was changed to TPR EK Metals Co.,Ltd. from Edogawa Metals
Co.,Ltd. |
| Jun.2013… |
Chiba Association for Safety of Hazardous Materials,
"Outstanding Hazardous Materials officer Award". |
| Feb.2018… |
Transitioned ISO 9001,14001 to the 2015 version. |
| Apr. 2021… |
65th anniversary of foundation. |
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