best selling SA-12HB air duct lock forming square pipe elbow making HVAC lock seam Pittsburgh lock forming machine

Lock forming machine is necessary in duct area because it can produce all kinds of types to meet locking requirements. Standard machine can process 0.5-1.5mm galvanized sheet metal, and our company would specially introduce high strength rolling reels made of Gcr 15, a kind of steel which prolongs the machine lite by more than 5 times and improve the efficiency dramatically.

 Pre-service

1. Free sample cutting,

For free sample cutting/testing, please send us your CAD file, we will do cutting here and make video to show you the cutting ,or send sample to you check cutting quality.

 2. Customized machine design

According to customer’s application, we may revise our machine accordingly for customer’s convenience and high production efficiency.

Service after sales

A. Machine will be supplied with training video and user's manual in English for installation, operation, maintenance and trouble-shooting, and shall give technical guide by e-mail, fax, telephone, skype…. for fast solution. 

B. Customer may come to our factory for training. We will offer training of installation, operation, machine trouble-shooting, and maintenance.

C. We offer technician to customer site for installation and training, customer covers travel cost and local living cost.

Warranty

Complete machine:  Two years warranty.

1.Are you factory or trading company?

We are factory in an industrial town near Nanjing city.

2.What shall we do if don't know how to operate your machine?

We can arrange our engineers to your country and you can also send your engineers to our factory for learning operation. Besides, there are detailed installation and operating instructions attached. It's very simple, we have telephone and Email support at 24hours per day.

3.What are your payment terms?

We support T/T, L/C, Western Union and so on. Other ways can also be accepted after we both sides' discussion and agreement.