We operate our business through our operating entities in China, namely 1) Shenzhen Bestman, or VIE, a PRC Company formed on August 3, 2001, located in Shenzhen, Guangdong Province, PRC; 2) Nanjing Yonglei, a wholly owned subsidiary of Shenzhen Bestman, formed on September 29, 2005, located in Nanjing, Jiangsu Province, PRC. As a medicare import and export company, Nanjing Yonglei mainly focuses on exporting medical devices and sells medical devices manufactured by Shenzhen Bestman. In addition, Nanjing Yonglei is also engaged in the resales of medical devices sourced from other manufacturers. Shenzhen Bestman mainly manufactures and sells both domestically and internationally all of the medical devices it manufactures. Shenzhen Bestman has four product categories: i) ultrasonic doppler devices, ii) warmer and syringe destroyer products, iii) epidemic prevention products, and iv) health screening products — and produces a range of more than 35 medical devices across these categories. Currently, the products of Shenzhen Bestman mainly include fetal doppler series, fetal/maternal monitor series, ultrasonic vascular doppler detector series, breast self-check mammography apparatus, blood and infusion warmers series, vein finder series, syringe destroyer series, enteral nutrition pumps, medical infrared thermometers, insulin refrigerator box, intelligent disinfection vehicle, etc.