Elaborate diagnostic checks andaccumulation ofmeticulous energy saving measures
01

WIN-W：Sumitomo Electric Wintec(Wuxi) Co.,Ltd.

Detailed diagnosis and conference
calls support energy saving activities

bimonthly conference calls involving all of the domestic
and overseas production plants of the Group, are helpfulfor our efforts. We arepleased with the company
climate that ideas onimprovement provided byproduction staff arecarefully examined by
Head Office.

02

Adoption of high-efficiency motors

SPW：Sumiden Powder Metallurgy (Wuxi) Co., Ltd.

SPW not only works to save energy inits plant but also helps local community
reduce environment impact

Wang Ya Fei
Section Manager of Machinery Section, Production Department

Having founded in Wuxi in 1994, our company
manufactures magnet wires for air conditioner compressor
motors and in-vehicle electric components along withultrafine wires for watch. As we need to use enamelingoven for the production process, electricity charges
characteristically occupy a high proportion of our costs.
We underwent energy saving diagnosis and have beencommitted to a wide range of energy saving measures in
response to the results, including using inverters, reductionof lighting devices by installing a sunroof and adoption ofhigh-efficiency motors. In 2014, we installed outside air

Liu Yun Zhou

He Wen Jing

Director, Vice General Manager andGeneral Manager of Manufacture Division

Section Leader,
Safety Environment Department

intake equipment to be used in winter at our ultrafine wire
plant to stop the use of air conditioners and lower theOur company was established in Wuxi in 1995, andload. The enameling oven are now covered with locallymanufactures and sells sintered products used for engines

procured nano materials to improve the heat insulationand transmissions of cars, compressors of air conditioners

effect.

and other devices.

We have made such various efforts to meet the target of

We have taken energy saving measures including

reducing energy consumption by 4% year-on-year, andintroduction of LED lamps for ceiling lighting of the plant andachieved the target in the three years to fiscal 2015. We

use of waste heat from circulating water of sintering

are also considering the review of the production process

furnaces for heating water in shower rooms for employees.

itself, and will continue toIn 2014, fluorescent lamps in the magnetic flaw detection

work to surely meet theroom were replaced with LED lights, which did not only

target.

reduce power consumption but also suppressed

In particular, monthly

temperature rise in the room because LED lights emit noconference calls with Headheat. As a result, electricity use for air conditioning in theOffice and Shigaraki Worksroom was also reduced. Marking 20 years in business, ourof Sumitomo Electricc o mp an y w il l r e n e w t h e sin t e r in g f u r n ac e s an d a i rWintec, Inc., as well asconditioners. We consider that there is room for theIntroduction of inverter

21 CSR Report 2016

ChinaEnergy Saving Activities in China

CSR
EYE

raise the awareness among employees.
We are also actively committed
to the improvement of theworking environment, andrespond to requests fromemployees wherever possible,
such as measurement of PM 2.5

reduction of energy use through hardware-based measures.

and installation of a floor heating

Wuxi is located near Lake Tai, and we must protect thesystem in the dining room. In recognition forbeautiful lake. In addition to reducing environmental impact

such efforts, we were commended by Jiangsu Province asof activities in our plant, we would like to be continuously

a model company with a good relationship with employees

committed to protecting the environment with a strong willin 2012 and also as a model company with a goodto help society reduce the environmental impact.

relationship with the union in 2013. Our company has thus

and carbon dioxide concentration

Governanceestablished a favorable relationship with our employees.

03 SPEC：Sumitomo Electric Photo-Electronics Components (Suzhou), Ltd.

Constant monitoring of environmental data

We will take measures to further enhance
our eﬀorts and ensure achievements

Group's CSR Activities

SPEC proactively promotes
energy saving and environment
improvement at the same time
Adjustment of the pressureof cooling water

Business Outline

Use of waste heat from sintering furnaces
for heating shower water

Introduction of LED lights
in the plant

Basis for Management

featured the conservation of the global environment toCore
Category

VISION 2017 sets an aggressive energy saving target for
manufacturing sites, which is the reduction of energy
consumption per unit of sales by 20% from the ﬁscal 2012

Products & Services

level in fiscal 2017. To achieve the target, we havepromoted the energy saving diagnosis program in Japanand other countries and provided follow-up support incooperation with the respective mother factories of thebusiness units.
Energy saving activities aim to eliminate wasteful use of

Supply Chain

resources and energy through efficient production, which

Wang Guo Cheng

Shi Yong Gang

will result in less CO 2 emissions and an improved cost

Deputy Department Head, Production Department
and Manager of Production Section

Assistant Manager, Production
Section, Production Department

structure. In addition to efforts to directly reduce energy
consumption, energy saving activities also include all
improvement activities that result in less energy use, suchproduction yield and other quality improvement activitiesof optical parts for the Group, while also enhancing

and increase of the production speed and otherproduct development function.

productivity improvement activities, as well as

We underwent energy saving diagnosis for the first time inmaintenance activities to reduce facility deactivation. We

March 2016. While we had already taken voluntary

promote such energy saving initiatives notmeasures including introduction of LED lights andonly in Japan but also on a global scale.

installation of double windows, the diagnosis presented

With an awareness of COP21, wevery detailed data and we received specific proposals. One

recognize that it is a social responsibilityof the indications was that the pressure of the coolingfor the entire Sumitomo Electric Group to

water supplied to the plant was slightly higher than theappropriate level, and we adjusted it immediately. We also
consider that there are still other energy saving measures

aim to reduce greenhouse gas emissions
both in Japan and overseas, and theGroup will continue to makeconcerted efforts to fulfill theSocial Contribution

we have not taken yet, such as introduction of inverter

Environmental
Preservation

as reduction of failure and loss, improvement of

optical devices and transceivers as a mass production base

Human Resources

Our company, founded in Suzhou in 2007, manufactures

responsibility.

pumps, and aim to meet the target of reduction of 4%
year-on-year with the effects of ideas for energy efficiency
improvement by all means. While our company distributes
T-shirts to all employees and their family members atHirotake Komori
Manager of the Energy Saving Office,Safety & Environment Department

Christmas every year, the T-shirts provided in 2015
* The names of the departments and positions
are those at the time of the interviews.

CSR Report 201622