In April 2021, in order to expand the COB strips product line, we established a production workshop of 8000 square meters in Dongguan Dalang production base, adopted self-packaging COB strip products, and expanded the monthly production capacity to 500,000 meters, and increased the research and development of COB strips, and launched a number of new COB strips. Main COB strip products are COB single color strips, COB tunable white strips, RGB COB strips, RGBW COB strips, RGBTW COB strips.