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| Customization: | Available |
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| Material: | Stainless Steel |
| Usage: | Industrial |
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| material | SUS304 | Thermal insulation material | Aluminum silicate cotton |
| Standard | GB | ThicThickness | 0.8 to 1.5mm,Accept Customization |
| Connection | Flange or Welding | Height | Depends on the height of the buildingDepends on the height of the building |
| Insulation | 25*N mm | Product Copiable | No, Key Parts with China Patent Technology |

As the national designated chimney project undertaker, not only covered 65% of the Beijing Olympic Games project, 75% of the Shanghai World Expo project, 85% of the Lujiazui financial District project, 100% of the Nanjing Youth Olympic Games project, foreign countries have been involved in more than 20 countries, products are exported to the United States, Germany, France, South Korea, Japan, Thailand, South Africa and other countries and regions 
Rainbow Environment was founded in 1993 and registered in the National High-tech Development Zone. Over the years, we have dedicated ourselves to the research, design, and production of stainless steel chimney systems, accumulating vast experience and expertise.
We hold 142 national patents, including several invention patents, which demonstrate our exceptional capabilities in technological innovation. These patents enable us to provide unique, high-quality products to our clients.
Q: Are you trading company or manufacturer ?
A: Normally 45 days in common, To be negotiated.
A: T/T or LC.
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