A: We are the largest factory of nitrous oxide gas and we do the filling of 640g/580g N2O cartridge ourselves also.

A: We can produce 20,000 pcs per day.

A:Generally it's 7 days after receiving your advance payment, or the specific delivery time depends on the items and the quantity of your order.

A: Yes,we test 100% our goods before delivery.

A:Yes, we can paint /engrave your company name or Logo on cylinder or box.