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A3 cartridge

World’s first glass cartridge for cannabis, 8,000,000 pcs A3 sold in 2016 World’s first glass cartridge for cannabis
Transpring is the original manufacturer and patent holder for the hot-selling A3. We have been making every effort to meet the needs of our clients. A3 cartridge is one of the most successful ODM projects from Transpring’s R&D team.

We are good at utilizing interdepartmental and interdisciplinary expertise to hit our targets. A3 cartridge project is a perfect example of this.

We’ve made and are creating impeccable designs that you can be proud of. Transpring’s A3 cartridge is on the list of the 10 best THC cartridges of 2017 posted by Hightimes ( This article specifically examined the best cartridges and their outstanding performances.

The new design has two holes in the mouthpiece, preventing a restricted pull and overheating. The mouthpiece is round and the atomizer is ceramic. It’s easy to produce a large cloud of flavorful visible vapor.


Dual-coil, abundant and pure vapor
Dual-seal design, no leakage
Medical grade glass, environmental and healthy
Simple oil filling and cleaning
OEM & ODM welcome
Oil intake hole sizea:0.4/0.7/0.9/1.2/1.6mm
Patent No.201520203929.4 201530088409.9