Please note that any firework currently sold to consumers as a “Chinese cracker-like effect” is not in fact a string of bangers, but a long tube of crackling powder. Technically these are usually classed as either fountains or “batteries of crackling granules”. You uncoil these and place them on the ground or hang from a post. The resulting effect is a lot of intense crackles. It doesn’t do a bad job of imitating a real Chinese cracker but it’s not quite the same thing.
This type of firework has become somewhat harder to source since we changed from British Standards over to the EU’s CE regulations as fewer importers are making them, but they are still available with an example shown below: