莱茵生物(002166.SZ)：美国印州工厂于今年已升级改造为综合提取工厂

Group 1 - The core point of the article is that Rhine Biotech (002166.SZ) has upgraded its factory in Indiana, USA, to a comprehensive extraction facility while still maintaining its capability for CBD extraction [1] Group 2 - The company has made significant improvements to its operational capabilities through the upgrade of its facility [1] - The upgrade reflects the company's commitment to enhancing its production processes and expanding its product offerings [1] - The facility's dual capability for comprehensive extraction and CBD extraction positions the company favorably in the market [1]