"Customer first, customer satisfaction"
"Keep improving, never ending"
"Customer first, customer satisfaction"
"Keep improving, never ending"
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What is the zigzag lifting inorganic cloth based fireproof roller shutter? Time:2021-11-25 The zigzag lifting inorganic cloth based fireproof roller shutter is a patented fireproof roller shutter developed by our company according to the growing development of various complex building institutions. It meets the requirements of gb14202-2005 standard. It has good fire resistance, strong heat insulation and good appearance effect. It can replace the firewall, especially suitable for large-span and zigzag complex fire separation, It can provide users with ideal and economical design scheme. |
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What is rolling shutter automatic smoke retaining vertical wall? Time:2021-11-25 Smoke retaining vertical wall is a device for separating smoke areas in underground and large space smoke control and exhaust systems of civil air defense projects and high-rise buildings. |
