Wenzhou Changmi Airtight manufacturing Co., Ltd.
Wenzhou Changmi Airtight manufacturing Co., Ltd. is a joint venture set up in 1984, whose products focus on mechanical seals used in all kinds of pumps. The products abound with Silicon Carbide rings, graphite Carbide rings, Tungsten Carbide rings, r
Introduction
Wenzhou Changmi Airtight manufacturing Co., Ltd. is a joint venture set up in 1984, whose products focus on mechanical seals used in all kinds of pumps. The products abound with Silicon Carbide rings, graphite Carbide rings, Tungsten Carbide rings, r...

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Shenzhen Yida Intelligent Technology Co., Ltd. is one of the top 500 selected enterprises in China's instrumentation industry, one of the top 20 enterprises in the instrumentation industry in Shenzhen, a member unit of the Shenzhen Instrumentation InFoxboro and Eckardt are most well known as a high quality instrumentation suppliers. Positioners, Pressure-, Absolute Pressure- and Differential Pressure Transmitters, Level Transmitters, Flow Transmitters, and Analytical Devices are in operation mor