In 2013, YiHi launched its first original vape chip, the YiHi SX130, marking the beginning of China’s era of original e-cigarette chip innovation. At a time when high-power regulated devices were still in their infancy, we were already shaping the future cloud-chasing market.
The YiHi SX200 soon followed, delivering the perfect balance of power and stability, becoming the go-to core chip for many brands. The Sigelei Legend series gained massive orders thanks to the SX200. Next came the YiHi SX220, whose outstanding performance powered legendary iPV devices like the iPV2 and iPV2S, sparking a global trend in compact regulated box mods.
The YiHi SX300 entered the main stage of the high-wattage cloud market, adopted by multiple domestic and international brands. Many leading manufacturers — including Dovpo, KSD, SXK, Hotcig, Yosen, and many more — chose the SX300 for their devices, earning strong consumer praise worldwide. Models like the Yosen SX Mod 50W became bestsellers, driven by the chip’s exceptional performance.
With the launch of the YiHi SX330, device performance and user experience reached new heights, securing its place in flagship models from Sigelei and Pioneer4You. For years, the SX series chips powered nearly half of China’s high-performance vape market, winning international respect for Chinese manufacturing.
Today, SX is more than just a chip — it is a symbol of China’s original vape technology. We believe that innovation drives the future, and technology is the strongest foundation for any brand.
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