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changan,Suzhou,Jiangsu,China China
KNOWHOW smart door system is composed of special permanent magnet DC motor drives. This motor is self-develope
This product refers to the new advanced technology which ganrantees both aesthetic apperance and execellent pe
1.Door lock 2.Standard door closer ***** door closer *
Contact Person Mr. Rick Zheng
Address changan, Suzhou, Jiangsu
We will contact you soon .
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