原标题：四方光电：目前公司已有紫外差分吸收技术、PID技术、电化学技术以及基于MOX原理的电子鼻技术储备
进入中国市场百余年来，西门子一直是中国经济的深度参与者和见证者。西门子连续七年参与进博会，彰显了其对中国市场的深度承诺与信心。近日，西门子交通大中华区首席执行官莫德（Juergen Model）接受中新网专访时表示，中国是一个动力强劲且前景广阔的市场，进博会为西门子交通提供了进一步拓展与中国伙伴合作的机会。西门子交通在中国扎根发展，将拥有美好的未来。（张东方 何显津）
Siemens has been a deep participant and witness of the Chinese economy since entering the Chinese market over a century ago. Siemens’ participation in the Expo for the seventh consecutive year demonstrates its deep commitment and confidence in the Chinese market. China is a robust market and China International Import Expo (CIIE) gives Siemens Mobility the opportunity to further develop partnerships with all partners in China, said Juergen Model, CEO of Siemens Mobility Greater China, in an exclusive interview with China News Network.