中源协和：OTI境外销售科研试剂以美国市场为主，德国子公司在公司整体营业收入中的占比较小

Group 1 - The core point of the article is that Zhongyuan Qihhe (600645.SH) has a subsidiary, OriGene Technologies, Inc. (OTI), which primarily operates in the United States and has established a subsidiary in Germany [2] - OTI's overseas sales of research reagents are mainly focused on the U.S. market, while the German subsidiary contributes a relatively small proportion to the company's overall revenue [2]