The damper automated production line, the newly developed damper automated production lines, rack of frequency control, precision leveling, punching, feeding racks, bilateral wheel rolling molding, servo fold side. 
 The company's main products: automatic high-speed precision leveling begins with the production line, automatic air duct production line, automatic plasma cutting machine series, a total of flange (TDF) molding machine, molding machine of the the pluggable flange (TDC) automatic spiral duct machine, hydraulic elbow forming machines, automatic folding side machine, locking machine, bending machine, shears, and all kinds of cold rolled forming equipment.