Photovoltaic power generation is one of the most sustainable technologies for sustainable development and has received widespread attention. In the last 10 years to 2009, the world's photovoltaic cell industry grew at an average annual rate of 48.6%, entering a period of ultra-high-speed development. China has become the world's largest producer of photovoltaic solar cells.
Giva (GW), 1 GW is equal to 1000 MW (MW).
Roller shutter door , also known as "shutter door", lots of panel pieces connected together, fixed in the guide rail , take above reel as the center of rotation.
Roller shutter door is used for commercial facades, garages, shopping malls, hospitals, factories and mines and other public places or residential.Electric roller shutter door, especially for large openings, inconvenient to install the ground door , quick opening effect. Such as for the garage door, shopping mall fire shutter door.
Opening methods: Handing driving mode
Rope driving mode
Remote control driving mode
Electric switch driving mode
Roller Shutter Door,Galvanized Roller Shutter Door,Aluminum Roller Shutter Door,Transparent Roller Shutter Door
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfrollershutterdoor.com