COSINE.COSINE was established on August 29, 2001, with its registered location in Taixing City, Jiangsu Province. It is a national high-tech enterprise specializing in instrument transformers and sensors. Guided by the principles of the Excellence Performance System and grounded in lean manufacturing, COSINE has established the industry's first intelligent manufacturing system (CPS). This CPS integrates previously isolated information systems—including ERP, PDM, SRM, and CRM—to create the COSINE Electrical Big Data Hub. All subsystems can now interact with and draw data from this central repository. Through RFID technology, materials, finished products, molds, and production/testing equipment are interconnected, enabling real-time monitoring across the entire product lifecycle—from design and manufacturing to testing and delivery. COSINE holds ISO9001, ISO14001, and ISO45001 certifications, with products certified by CRCC, PDA, and CMCC. Key product lines include: outdoor instrument transformers, low-voltage instrument transformers, medium-voltage switchgear series, ring main unit series, gas-insulated switchgear series, and zero-sequence transformer series.
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