S7-1200 Siemens CB1241 letter communication board 6ES7241-1CH30-1XB0 communication module CMRS485

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Hanning Trading is an international buying house and China buying agent. We assist clients to source for products directly from the manufacturers or suppliers or from clients’ instructions to purchase the products that they saw on the e-Shopping / e-Commerce sites as are listed on our website.

Email: hanningtrading@163.com