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Z-Stone Technology Co., Ltd. was established in 1989. We have R&D and managerial teams, with highly educated members of doctor and master degrees. We specialize in researching, developing, manufacturing and exporting telecom equipment, microwave spread-spectrum apparatuses and radio train dispatching devices for more than 10 years. Product application scopes involve railroad, telecom and petrochemical. We own many specialized techniques and patented technology. Products are awarded with National Authoritative Department's appraisal, having attained ISO9001:2000 quality management system certification.

Since establishment, we have successfully solved many network optimization difficulties in China. If you wish to prolong product life, if you expect to cost down network optimization; if you appeal for network quality, but are in worries, please feel free to contact us. We would like to offer various eminent products and customized solutions with reasonable prices and excellent supports. We believe mutually beneficial interaction creates success!