What does the price trap that buys be bored with child spray machine have?

Some people buy machines that feel expensive, so how to prevent into these traps, cheated?

1, ask many people, and can work around the friends to ask about the price range.

2, understand the price difference between different price putty spray machine?Because the size of the flow, or the size of the hydraulic pump, the size of the engine, in addition to understand the core parts of the machine such as hydraulic pump, is domestic, or imported, imported where is the import of hydraulic pump and so on, these questions can be distinguished between the price difference.

3, when the seller said the machine is imported, then to ask where the import, check the brand, is really imported?Often a lot are hit edge ball, pretend to be imported product, it is the machine that small manufacturer makes actually however.

4, on the other hand, is to pay attention to the flow, many sellers said I this large flow, so expensive, I this 30 l so expensive price, this time to polish eyes, and see if it is true that the flow, because many of them now boasts about the flow rate and power of the machine size, such as even blown in 18 l small diaphragm pump, and the big machine is, 30 l is accurate?You can try water and see if you can spray 30 liters of water in a minute.

5, in addition to see what the nature of the machine, hydraulic piston pump machine more expensive, screw pump machine next, again is a small pump, even diaphragm pump machine, are sold very expensive.

So to sum up, to avoid falling into the putty spray machine price trap, must see clearly the above points.