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DDGJ-1.2-1500-LY Spiral Duct Machine

DH-100 Flange Welding Machine

SWM-500 Seam Welding Machine

OM-3000S Ovalizer Machine

OM-3000L Ovalizer Machine

HRE-1250 Hydraulic round elbow machine

SINCE 2003

Dezhou Dadong Machinery Co.,LTD.

Established in 2003,locating in Xinhua economic development zone with occupation of 4,000 square meters. As the company grows, we built a 4,0000 -square-meter new plant in Pingyuan economic development zone in Dezhou. We are a professional manufacturing and processing company of pipe making machines and pipe fittings in filter, ventilation,dust removal,environment protection , construction and so on.

Our company has dozens of metal processing equipments and numerical control EDM equipments with complete capacity of production and processing. For years we focus on production and research in metal spiral duct making machine.such as spiral ducts machine for ventilation and dust removal; metal spiral.....

2003

Founded
40000
㎡
Land Area
1000
+
Customer Service

Spiral duct machine manufacturers/suppliers

Dadong Machinery is a spiral duct machine manufacturer. Its main products are seam welding machines, automatic spiral duct production lines, aluminum duct machines, full hydraulic round elbow forming……

CHOICE DADONGCHOICE QUALITY QUANTITY

Strong Manufacturing Capacity

Rich Industry Experience

Perfect Product Service

Go Abroad And Sell Overseas

Dezhou Dadong Machinery Co., Ltd. Rich Design Experience To Meet Various Needs Of Customers

Innovation
Quality
Service
Rest Assured

NEWS

MASTER THE LATEST DEVELOPMENTS OF DADONG MACHINERY

2021

10-30

Stability and structure of spiral duct machine

Automatic spiral duct machines are generally divided into three categories according to their materials in the market: galvanized spiral ducts, stainless steel spiral ducts and composite spiral ducts.

2021

10-30

The use of spiral tube machine

Spiral tube coiling machine is a thin-walled tube made by coiling metal strip into a spiral seam. It is round, non-welded, air-tight and water-tight.

2021

10-30

Process flow of spiral duct machine

The function of the spiral duct machine is mainly to produce spiral ducts, so the process design of the equipment is closely related to daily maintenance and quality inspection.

2021

10-30

Classification and composition of seam welders

Seam welding machine refers to a resistance welding machine that assembles weldments into overlapping or butt joints and places them between two roller electrodes.

2021

10-30

Principle and working method of seam welding machine

In the process of seam formation (intermittent) seam welding, each welding spot also undergoes three stages of pre-compression, electric heating and cooling and crystallization.

2021

10-30