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Pursuing environmentally conscious practices for a better future.
Hitachi Elevator (China) Co., Ltd.'s Guangzhou Factory is the largest elevator production base in the Hitachi Group outside Japan. Aiming to become an "environment-oriented company", it has held ISO 14001* certification since 2000 and is pursuing the reduction of environmental burdens. For example, the factory expanded its wastewater recycling system to recycle wastewater generated during the whole production process. The system uses microbes to decompose organic matter in wastewater. It also removes floating substances and odor with advanced technology and improves quality of treated water. The factory reduced water use by 30,000 tonnes/year compared to the year before expanding the system.The factory also reduced CO2 emissions through the introduction of energy-saving lighting, the adoption of inverter compressors, and layourt optimization of the compressors. In addition, every employee is always conscious of environmental conservation and actively promoting environmental activities, such as the collection of waste batteries.