Company founded in July 2011, is a comprehensive solution provider for metal additive manufacturing based in China. On July 22, 2019, BLT was listed on the STAR Market with the stock code 688333.SH. As of December 31, 2023, the company has approximately 1720 employees, with R&D staff accounting for 30% of the total workforce. BLT places great emphasis on research and development, with investment in R&D amounting to approximately 15% of the operating income for three consecutive years.