
Step 1
Contract Order
Sign contracts and orders with customers

Step 1
Sign contracts and orders with customers

Step 2
The technical department conducts research on the plan
Step 3
Purchase raw materials as required

Step 4
Cnas Laboratory, Report Archive

1. Uncoiling The Steel Coil
2. Straightening Steel Plate

1. Cut off the edges of two steel plates
2. Align edges for automatic welding

Milling the edges of the steel plate

1. Cutting edge treatment on steel edge

Spiral Forming

1.Perform internal welding along the spiral weld seam

External welding process

Ultrasonic Testing Online

Cut steel pipes according to size










Package and store, waiting for shipment