Beijing Rofea Optoelectronics Co., Ltd. located in China's "Silicon Valley" - Beijing Zhongguancun, is a high-tech enterprise dedicated to serving domestic and foreign research institutions, research institutes, universities and enterprise scientific research personnel. Our company is mainly engaged in the independent research and development, design, manufacturing, sales of optoelectronic products, and provides innovative solutions and professional, personalized services for scientific researchers and industrial engineers.  Intensity Modulator

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