| Company and brand | Anhui Tongyi Measurement and Control Technology Co., Ltd.; Unified Social Credit Code 91340100MA2N0MD471; the website uses the TYCK / Tongyi brand. | Public website identity and brand reference. | The legal entity shown on the business licence and executed contract prevails. |
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| Corporate relationship disclosure | Anhui Shengyi Instrument Manufacturing Co., Ltd. is a subsidiary of Anhui Tongyi Measurement and Control Technology Co., Ltd. | Public corporate-relationship statement. Contracts, certificates, patents and software copyrights remain attributed to the entity named on each record. | Relationship evidence can be requested and verified when required for supplier approval, audit or tender use. |
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| Management-system certifications | ISO 9001:2015 (108425Q0087R0S) · 2028-09-29; ISO 14001:2015 (108425E0098R0S) · 2028-09-29; ISO 45001:2018 (108425S0093R0S) · 2028-09-29 | Production of sensors: pressure/differential-pressure transmitters, single/double-flange level transmitters, radar level gauges, capacitance level gauges, tuning-fork level switches and temperature transmitters. Production of sensors: pressure/differential-pressure transmitters, single/double-flange level transmitters, radar level gauges, capacitance level gauges, tuning-fork level switches and temperature transmitters, and related management activities. | Management-system certification is limited to the named organization, site and scope; it is not a product approval. |
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| Component selection | The website does not make a blanket country-of-origin claim for chips across all products. | Component brand, part number, origin and batch are confirmed for the applicable model, configuration and supply batch. | Projects requiring specified or traceable components must define the requirement in writing during quotation, technical confirmation and ordering. |
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| Business focus | Pressure, level, temperature and flow instrumentation products with application and selection support. | Subject to the current product catalogue and formal technical documents. | Capabilities, approvals and performance values must be verified for the selected model and SKU. |