we have high technology SMD machine ,our product has passed ISO9001 /CCC/CE ,and strong product ability ,we have current ammeter
voltmeter ,multifunction meter,power meter , all the meter  can support  MODBUS protocal and can choose optional function,
now we are sincere look forward oversea cooperative
partner,if u are sincere buyer ,the price canbe negotiable! OEM OR buyer lable IS WELCOME!