02:55

Customize U duct line 5 with L Shape 2 meter by 2 meter

02:11

BYFO Tubeformer/Round Duct Making Machine

01:27

BYFO Hydraulic TDF Folding Machine/Small Sheet Metal Hydraulic Bending Machine

01:56

Nanjing BYFO Machinery Co.,Ltd. BYFO U Shape auto duct line 6/HVAC Square Automatic ducting line

03:23

BYFO Electric elbow making machine/Shrimp elbow maker/Round Duct motor gore lock machine

01:02

BYFO BYL-3100 Oval Duct Forming Machine/Oval Duct Making Machine

00:48

BYFO B1600 Spiral Duct Forming Machine Fast Speed&Mould Type Spiral Making Machine

00:26

BYFO HVAC Duct Level grooving machine

01:06

BYFO Snap and Button cleat machine,Snap cleat machine

00:29

BYFO Duct Seam Welding machine/Round Duct Welders

01:06

BYFO Electrical Type Sheet Metal Folding machine/1.5 mm bending machine

01:03

BYFO HVAC duct pneumatic seam closer machine

00:40

BYFO Double linkage TDF Flange Forming Machine/TDF Flange making machine

00:47

Hydraulic Seam Closer Machine

04:53

How to install the mould with plasma&saw cutter-byfo spiral tubeformer

00:42

Byfo Tubeformer spiral duct machine with plasma cutter

01:17

Byfo super Auto Duct Line 3

02:08

How to use CNC Plasma cutting machine

00:36

Byfo S&C Cleat machine/S lock forming machine

02:18

Welcome to visit Nanjing Byfo Machinery Company

00:31

Max Length 6 meter CNC Plasma cutting machine

01:06

TDC flange making machine

01:37

snap lock machine

01:56

U shape auto ducting line 6

01:28

Big size 2.0mm thickness pittsburgh lock forming machine

01:06

Fast Speed Hydraulic gorelock Round Elbow Making Machine

00:11

Indonesian customers use our Auto Duct Line for one year, no repair all year round.

00:27

USA customers evaluate our auto duct line and supporting equipment.

00:21

American customers' evaluation of our company's spiral machine

01:08

Saudi customers' evaluation of our equipment

02:17

4*2000 hydraulic sheet metal folding machine

00:50

BYFO round seam welding machine

00:46

Pneumatic folding machine, Air duct bending machine, folder machine 1.5x2000mm

01:03

Manual folding machine, metal sheet bending machine by hand

03:07

automatic metal sheet rectangular duct angle steel flange production line

02:46

spiral duct tube forming machine, Spiral duct making machine Manufacturer

03:33

BYFO brand Auto duct line Ⅲ / CNC HVAC air duct production line machine 1.3/1.5 meters

02:32

Motor rotary swaging machine Jenny and wiring machine

02:06

BYFO brand CNC auto duct line V Automatic HVAC Duct Production Line 5

00:44

Lockformer Standing "S" Cleat Former Roll Forming Machine

02:54

duct manufacturing auto line V，U Shape auto produiton line for duct

01:24

Automatic corner making production line

00:53

T12/T15 TDF Flange machine,flange roll forming machine from BYFO

04:52

BYFO Duct Manufacture Line II&lockformer&TDF FLANGE FORMER&TDF FOLDER MACHINE

02:17

Nanjing Byfo Multifunctional Pittsburgh lock forming machine

00:58

Russian customer 16T punch and custom mold test

09:05

how to change the press mold

01:09

BYFO Electric shearing machine Q11-2*2500 sheet metal cutting machine

02:02

HVAC duct manufacturing machines 1250/1500mm auto duct line 3

01:11

Cut to length machine,Square duct line 1，duct production line I

02:09

corner installation machine,Ducting work machinery for corner inserter

01:13

square duct seam closing machine,square duct seam closer,duct zipper

01:32

Pneumatic square duct closing machine,Horizontal seam closer from Nanjing Byfo Machinery

01:08

Angle steel flange forming machine,Angle iron punching and cutting machine

01:15

T12 TDF flange machine,1.2mm flange forming machine

01:24

Manual sheet metal folding machine with 45 degree bender

01:30

Manual sheet bending machine with different angles Byfo manual folding machine

01:38

angle steel flange cutting and punching machine,angle steel flange manufacturing line

01:01

1.5*2500mm pneumatic TDF folding machine,pneumatic sheet metal bending machine from Nanjing Byfo

01:20

Manual TDF folding machine 1.5*1300 TDF sheet bending machine