Spark Machine VS National Fireworks

No Gunpowder,Safe

It can Spark effect 10-12 minutes with one filling of granulate,

It’s possible to control spark height, volume, timing and duration,

No Smoke,No Smell,No Noise,Environmental

No Limite of transportation, storage and usage

Inteligentialize,time and height controllable

Recycling,low consumption, low cost

Simple installation, low labour cost

Indoor use available

Have gunpowder, dangerous

only can be ignited once,

After the ignition a standard-fountain can not be stopped anymore.

Make large smoke, noise and smell

Limited on transportation, storage and use

Burning time if short, height is uncontrollable

Disposible,nonconformance cost

Complex installation, large labour cost

Outdoor use only