Which kind of BBQ charcoal is flammable and resistant to burning?

Now the barbecue with the mechanism of charcoal! It is also known as recycled charcoal, which is produced by pressing sawdust! The original natural charcoal is banned by the state! Mechanism charcoal is 2 to 3 times more burnable than natural charcoal! Smoke-free fire and other advantages! Now the retail price of about 3.5 yuan a kilogram, usually box packaging, 10 kilograms a box!