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We emphasize progress and introduce new solutions into the market each year for 10G SFP+ DWDM, Ma5800-X2, Huawei S5720-Hi Switches, 40km Qsfp28, We welcome you to visit our company & factory and our showroom displays various products and solutions that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to supply you with the best services. If you will need more information, please do not hesitate to contact us via E-mail, fax or telephone.