Ningbo Siying Optoelectronic kuunika Science & Technology Co., Ltd. tsopano ndi katswiri wopanga zamitundu yosiyanasiyana magetsi LED, timafuna kupereka mankhwala akatswiri ambiri & utumiki bwino makasitomala athu. Nayi mbiri chitukuko cha ife. Mu chaka cha 2003, Siying analowa m'munda makampani anatsogozedwa, tinayamba kutulutsa SMD / chisononkho / HP / DIP anatsogolera kuwala gwero & madalaivala LED mu chaka chino. Kwa zaka 2 'a kulimbikira ntchito & chitukuko, ife tiri thandizo lalikulu kwa makasitomala athu ndipo anaika maziko olimba wathu babu kupanga LED mu zaka zingapo zotsatira.