In the year of 2005, with the basis of LED light source and LED driver manufacture experience, Siying began to produce LED bulbs.
ໃນປີ 2005, ມີພື້ນຖານຂອງແຫຼ່ງແສງສະຫວ່າງ LED ແລະປະສົບການ LED ຜະລິດການຄວບຄຸມ, Siying ເລີ່ມຜະລິດ bulbs LED.