Firsquare Environmental Technology (Jiang Su) Co., Ltd.
Certified Products
Damper
Rectangular Check Damper (RECD)
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Model 24" W x 24" H to 47.2" W x 47.2" H
Rectangular Multi-Blade Damper (RMBD)
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Model 12mm W x 12mm H to 36mm W x 48mm H
Round Butterfly Damper RBD
Whom Do I Contact?Air Movement and Control Association International, Inc.