Usage:
This expander is specially used to expand fin heat-exchanger. the processes of expanding pipe, flaring and flanging are finished in one working cycle.
*Workpiece length: 1600mm , 2000mm , 2500mm , 3000mm etc , the length different , the machine specification will be different
*For the length of workpiece less than 1600mm , machine is with manual door or double rotary worktable
*For the length of workpiece more than 1600mm , machine is with turnover door oblique 84° also with the manual door which is for the workpiece length less than 1200mm
*For the length above 1600mm , the machine design is interal oil cylinder type.
We could customize the machine at your needs.
We, Ningbo Xin Chang Machinery Co.,Ltd are a professional designer and manufacturer in friction welding machine, resistance welding machine and Heat exchanger equipment. Our factory is in this line more than 20 years, we have more than 10 senior mechanical and electrical specialists and total more than 200 staff, our machine is famous in China. We have CCC, ISO9001 and CE certificates.
Over the years, we have exported so many machines to 30 and more countries, such as France,Spain,Poland,Russia,Indonesia,Vietnam,Pakistan,India,Mexico,Egypt etc.
Our main products are Heat exchanger equipment, Friction welding machine, spot welding machine, projection welding machine, butt welding machine, seam welding machine, multi head welding machine for wire mesh, and other various special welding machine for metal connection in different industries.
We always adhere to the management idea of "Integrity, profession, innovation, and win-win", to make Xin Chang becomes trustworthy enterprise of customers. Good product quality, perfect after-sales service, and professional technical support make customers choose no regrets and worry-free use.
1.Q: What about your standard delivery date ?
A: Usually 30-60 working days. Our company provide just-in-time delivery
2.Q: How can you guarantee quality?
A: You could test samples before order,and we have professional QC and precise machining equipment; Always final Inspection before shipment;
3.Q: How long is the guarantee?
A: For one year after the custumer received the machine.
4.Q: What do we need to do if the machine fails?
A: In the guarantee time (1 year),we will send the spare parts to you for free,and provide the technical consultant for any time.
5.Q: Can I make my own design and logo on the product?
A: Yes, we do OEM.Welcome global partners.
6.Q: what is the packing mode?
A: wooden case or FCL with container.
7.Q: what is your after-sell service?
A: After-Sales
1) Training your workers how to install the machine, how to use the machine.
2) Engineers available to service machinery overseas
3) 1-year guarantee ( free maintain in a year)
4) Replacement parts and other accessories provided
Audited Supplier 
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