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Contact Us We take first-class products and high quality service as our unremitting goal, take "science and technology innovation, win by quality, customer first, continuous improvement" as our service policy, wholeheartedly cooperate with our friends at home and abroad to create a better future. Tel: 400-6991816 Email: kejiaxin@163.com Address: Building 4, No. 38 Guangmao Road, Fangshan District, Beijing, China CITI Kejiaxin（Beijing）Electrical Technology Research Institute Co.Ltd. Address: Building 4, No. 38 Guangmao Road, Fangshan District, Beijing, China Tel: 4006991816 +86-10 68817422 |
