DER EE Electrical Instrument Co., Ltd.
DER EE Electrical Instrument Manufacturer of DC ammeter shunt , digital multimeter, analog panel meter, analog multimeter, clamp meter, electromagnetic filed detector, wireless ...
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Taiwan 
TECPEL CO., LTD.
With 19 years experience, Tecpel Co., Ltd. is a rapidly growing company and is regarded as one of leading Taiwanese manufacturers of high quality testing and measurement devices. Our product lines include DC power supplies, function generators, ...