1. Rolling shutter can efficiently reflex strong light irradiation and addition-ray radiation. Through experiments. We know that the rolling shutter keeps the 100% sun outside.
2. The roller shutters we make fill in the polyurethane with high density. The heat transfer conductivity is 5.3w/(m3*K) only from the national authoritative certify department testing, and it makes the real insulation and energy saving.
3. The running of the rolling shutter is quiet, even if you live near the busy street, airport or the other noise zone, you will find the roller shutter can reduce the noise interference from outside of your house.
Renqiu Aoruisi Door industry Co., Ltd. is a company specializing in the production and processing of fireproof doors, fireproof Windows, fireproof rolling doors, automatic garage doors, thermal insulation industrial doors, smoke hanging walls and other products, with a complete and scientific quality management system. The integrity, strength and product quality of Renqiu Aoruisi Door industry Co., Ltd are recognized by the industry. welcome friends from all walks of life to visit, guidance and business negotiations.