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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We are an agile in development and a specialized manufacturer of a range of Intelligent Transportation System (ITS) hardware, firmware & software, which applies Advanced & Innovative Technologies. Our extensive, customized product range includes Pass
The company Dipl.-Ing. K. Weinhold GmbH & Co KG is a manufacturer of fittings and couplings with main place of business in Neuss, Germany.