WARNING: This product contains nicotine. Nicotine is an addictive chemical.

Top E-Liquid

fresh and most delightful flavors with every puff.

every drop has undergone more than 10 tests

The e-liquid is synthesized from non-polluting monomer raw materials directly to keep the finished e-liquid clean and to protect the environment. To get the impurity-free e-liquid, every drop has undergone more than 10 tests to ensure that there is no heavy metal, pesticide residues or other pollutions.

professional flavorist team

international top e-liquid manufacturers

KEYSTONE only works with international top e-liquid manufacturers andwe have professional flavorist team to ensure the e-liquid perfectly matchingwith the device, giving play to the purest, fresh and most delightful flavorswith every puff.

new nicotine salt formula

To give remarkably fine hit with low nicotine using the new nicotine salt formula,
more enjoyment and less addiction.

grade GMP clean workshops

100,000-grade GMP clean workshops - the same cleanliness standard as drug production site,
are ready to ensure non-pollution before, during and after the refilling.
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