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作为全球能效管理专家，我们的业务足迹遍及全球100多个国家和地区，为众多市场提供一体化的能源解决方案。

DuPont and its partners use science-driven innovation to nourish a growing population, build a secure energy future and make the world a safer place.

An employee-owned management, engineering and development consultancy working around the world, we have everything it takes to deliver sustained benefits, whatever the challenge.

As a global manufacturer of high-quality light equipment and compact construction machines, we support professional users in their daily work.

Carrier provides superior commercial air conditioning, heating and controls for HVAC systems serving commercial buildings