feedbacks from the user testing : When MTI-07 powder gun ( latest) with flat spray nozzle performance was excellent , the flat spray fan blowing uniform ( with respect to the old OPTI flat mouth ), when using round spray nozzle powder flow faster, more dilute powder concentration , but customers have a clear sense of the static effect better than other powder spray gun , and no problem of powder leakage within the gun , the center of gravity gun design better, customers fee
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