W type double 45 degree du
W type concentric reductio
W type energy dissipation
W type tube
W type right angle cross
A type 45 degree elbow
A type 90 degree with door
A type 90 degree elbow
Type A H vent tube
Type A h breathable tube 1
Type A P trap
Type A S trap
Contact: Rachel
Phone: + 86 13370171921
Tel: + 86 13370171921
Add: Changhong Road, Liangxiang Town, Fangshan District, Beijing