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Certificate of High-tech Enterprise

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Shanghai Contract-abiding and Credit-abiding Enterprises

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Certificate of Confirmation of Contract Credit Grade

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Quality management system certification

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Certificate of Environmental Management System Certification

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Occupational Health and Safety Management System Certificate

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Practical New Patent Certificate (Thermal Flow Switch)

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Practical Patent Certificate (Conductivity Sensor)

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Practical Patent Certificate (Intelligent Flow, Pressure and Temperature Integrated Controller)

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Utility model patent certificate (dissolved oxygen sensor)

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Utility model patent certificate (balcony vegetable planter)

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Utility model patent certificate (dissolved oxygen sensor)

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Utility model patent certificate (residual chlorine sensor)

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Utility model patent certificate (intelligent multi-parameter water quality monitoring system)

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Practical New Patent Certificate (Water Quality Control System for Disinfection of Intelligent Swimming Pool)

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Test Report

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Explosion-proof certificate

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Computer Software Copyright Registration Certificate

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Practical Patent Certificate (Intelligent Fishpond Aquaculture Oxygen Increasing Control System)

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Computer Software Copyright Registration Certificate

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Computer Software Copyright Registration Certificate

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Computer Software Copyright Registration Certificate