COSINE.COSINE, established in 2001 and headquartered in Taixing, Jiangsu, is a national high-tech enterprise specializing in the R&D and manufacturing of instrument transformers and sensors. Guided by the Excellence Performance System and grounded in lean manufacturing principles, the company pioneered a comprehensive intelligent manufacturing system (CPS) within the industry. By integrating ERP, PDM, SRM, and CRM systems, COSINE has established an enterprise-level big data platform. Utilizing RFID technology, it achieves full-chain connectivity and real-time monitoring of materials, equipment, and production processes. The company holds management system certifications including ISO9001, ISO14001, and ISO45001, while its products have obtained industry certifications such as CRCC, PDA, and CMCC. Its core product portfolio encompasses outdoor/low-voltage instrument transformers, medium-voltage switchgear, ring main units, gas-insulated switchgear, and zero-sequence series, delivering highly reliable measurement and protection equipment for power systems.
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