Sumitomo Electric Optifrontier Co., Ltd.


Environmental Social Activities

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Environmental Policy

[Basic Principle]
Sumitomo Electric Optifrontier Co., Ltd. thinks it is of primary importance to establish a society that is sustainable and has less environmental impact. While continuously and steadily working to promote our global environmental preservation work, Sumitomo Electric Optifrontier contributes to the world, people and society by providing products and services in Optical fiber Cords and Cables, Optical Connectors, and Optical Modules & Others related business.
[Environmental Policy]
  1. In order to promote environment-oriented management, in which Sumitomo Electric Optifrontier considers environmental preservation activities are one of the most important issues for corporative management, the Group's action plan under this Environmental Policy will be established together with Group-wide environmental indicators and long term targets for environmental preservation.
    Reviewing environmental objectives and targets voluntarily, Sumitomo Electric Optifrontier promotes continuous improvement on environmental performance.
    1. Reduce environmental impacts in manufacturing activities
      1. Proceed our efforts to prevent global warming
      2. Promote saving and recycling of resources
      3. Keep progress in environmental pollution prevention
      4. Promote biodiversity conservation
    2. Increase environmentally-conscious products and services for our customer demands
      1. Make best efforts toward the phase-out of harmful substances contained in Sumitomo Electric Optifrontier's products
      2. Carry out product assessment
  2. Sumitomo Electric Optifrontier will fulfill and enforce its environmental management system.
    • We communicate Sumitomo Electric Optifrontier's Environmental Policy to all people who work at and for Sumitomo Electric Optifrontier while providing them with educational programs on environmental preservation to improve their awareness.
    • We conduct environmental audits, and review and strengthen our environmental management system as well as environmental preservation activities.
  3. Sumitomo Electric Optifrontier will keep and improve compliance action.
    • In addition to the compliance with relevant environmental legislation and regulations, and with other requirements to which Sumitomo Electric Optifrontier subscribes, we set up Sumitomo Electric Optifrontier's self-standards and make efforts to maintain and improve them.
  4. Sumitomo Electric Optifrontier's Environmental Policy will be opened to the public upon request.

Scope for Environmental Management System

1. Site

  • Saitama Works: 4125 Sakitama, Gyoda-shi, Saitama, 361-8604, Japan
  • Shonan Works: 1-5-1 Shimomachiya, Chigasaki-shi, Kanagawa, 253-0087, Japan
  • Suwa Works: 11211 Ochiai, Fujimi-machi, Suwa-gun, Nagano, 399-0214, Japan
  • (Yokohama works is belong to the EMS of Sumitomo Electric Industries, Ltd. Yokohama Works.)

2. Scope of Registration

  • Saitama Works: The Design /Development, Manufacturing and Services (Supply of Technical Information) for Telecommunication Cables, and Connectorized Cables.
  • Shonan Works: The Design/Development, Manufacturing and Services (Supply of Technical Information) for Joint Materials, Fusion Splicer and Related Accessories, and Optical Application Products.
  • Suwa Works: The Design/Development, Manufacturing and Services (Supply of Technical Information) for Telecommunication Cables-Related Equipment, Joint Tools, and Optical Passive Components.

3. Object

  • All employees working in three districts or working for three districts (employees, dispatched employees, and contractors).
    However, the applicable requirements shall apply to those working for the three districts according to their work, excluding employees.

Environmental Preservation Activities

Promotion of energy saving

We are implementing the adoption of efficient lighting, replacement of old air conditioners, and other facility investment to conserve energy. In addition, we are trying to maintain the lighting and air conditioning adequate in our factories and offices.

Promotion of resource conservation and recycling

We are committed to the reduction, reuse, and recycling (3Rs) of waste generated through our business operation. We are also working on the reduction of water used for cooling products in our factories.
We promote the improvement of production efficiency and product quality, while also reducing the consumption of natural resources and waste generation so as to minimize environmental impact.

Provision of Environmentally Conscious Products

By managing chemical substances contained in products and implementing product assessment, we provide environmentally conscious products.

As a member of the Sumitomo Electric Group, we continue to supply environmentally friendly products and promote green procurement.

Download guidelines and other related documents from the following link.
Before using the guidelines and other documents, please check the applicable standards, rules and their versions.

Guideline Download Page
  • Green Quality Guideline for Purchased Products
  • SEI Chemical Substance Management Standards
  • Business Partner Evaluation Sheet

Linked to an outside web page (Sumitomo Electric).

Individual Cases of Environmental Preservation Activities

Wind and Solar Hybrid Lights and Tree Planting

Saitama Works has installed wind and solar hybrid lighting systems in its employees’ relaxing space called Shinsei-Hiroba or New Life Place, in order to save energy and reduce greenhouse gas emissions. There are also trees of the prefectures where our subsidiaries are located both for greening activities and for CO₂ absorption on the premises.
Around the trees, a special type of material called “Eco Clean Soil” is used. It is mainly composed of natural soil and includes no hazardous materials. The lumpy soil absorbs and holds water well and repels weeds.

Environmental Preservation Activities

Pellet stove

Suwa Works is located in Fujimi-machi, Suwa-gun, Nagano, where the temperature drops to -10°C in winter.
We formerly consumed fossil fuels for oil heaters, but now we use Shinshu-type pellet stoves, instead of oil heaters, in order to reduce energy consumption and protect environment and natural resources. Shinshu-type pellet stoves are developed by a local manufacturer as an official project organized by Nagano Prefecture, which aims to reduce fossil fuel use and curb unnecessary local logging, making use of local technologies and thinned trees effectively.
Unnecessary logging is an obstacle against reducing carbon dioxide emissions and is a contributing factor to the environmental degradation of the surrounding areas.
Suwa Works is aiming at becoming a community-based and environmentally-conscious organization.

Features of Shinshu-type Pellet Stoves

  • The Shinshu-type pellet stove uses bullet-shaped fuels made from forest thinning materials. Fossil fuels are not used.
  • The forest thinning materials are generated in Nagano. Efficient use of local resources.
  • The pellet stove does not smoke as wood stoves do. Pellet fuels do not contain water and, therefore, burns at high temperature, producing almost no smoke and carbon dioxide.
  • The fuels leave only a small amount of ash, which can also be recycled as good soil improvement agents.
Pellet stove
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