Micro Swiss, E3D, Slice Engineering, Trianglelabs and Luke Labs are five popular brands of after market hotends that are commonly upgrades or new printer builds. This will list each manufacturer popular hotend and their quick overview and features.
Micro Swiss hotends are known for their high-quality and durability and their design more reliable hotend for many printers from Creality, Bambu Labs, Elegoo. They are made from high-grade materials and all machined in USA. Their latest Flowtech hotend allow easy nozzle switching and no more hot tightening like older hotend. They are also designed to be compatible with a wide range of older 3D printers, including the popular Creality Ender and CR-10 series. Micro Swiss hotends are also considered to be very easy to install and maintain, and they come with detailed instructions and guides to switch your stock hotend.
E3D hotends, by E3D-Online, are another highly respected brand in the market. They are known for their excellent performance and reliability and their V6 Hotend., and they are widely used in both consumer and professional-grade 3D printers. Its is foundation of the most modern hotend. Their latest innovation is Revo which support a large range existing eco system from Creality, Prusa, Voron and offer one easiest removable nozzle system and offer a range of nozzle size and materials to suit even up to high temperature printing.
The new player on the field is Luke's Laboratory with their high performance Chube hotend which features one of the most robust hotend and melt zone, you don't want to worry about bent heat break, abrasive materials. They do have new smaller Chube Compact which shorter melt zone but better supported on smaller tool head such as A4T/Stealth Burner. Its also all machined in US by a Luke himself.
Slice Engineering is US Designer and Manufacturers of after market hotends, they are known for their high-quality and performance(high flow) and their Mosquito and their more universal conversion Copperhead, they have a wide range of options and sizes, and they are designed to be compatible with different types of filaments. They are considered easy to install and maintain, and they have a good level of support with their lifetime limited warranty and documentation.
Trianglelab is another well-known brand of after market hotends. Their hotends are known for their high-quality and more cost effective option, and they are designed to be compatible with a wide range of 3D printers. Their popular CHCB for K1 Series from Creality and their Dragon Ace/Rapido Ace for DIY 3D Printer which is newer variant of ever popular Dragon/Rapido Hotends among the community for their high flow and temperature printing.
In the end, which hotend you select from us, we have used in house for extended period to ensure we stock hotend that we would want to use ourself with some we still actively use. If you're still undecided on which ones best suit you, you can always contact us and let us know what your requirement and we narrow down your options.