Founded in the year 2000, Yizhi Changtong has been focusing only in manufacturing ultra-fine enameled copper wires, bare copper wire diameter from 0.012mm to 0.8mm. Our monthly productivity is up to 1000 tons, among which 60% of the orders are for wires of diameter 0.100mm and smaller. Besides the ordinary UEW and EIW wires, we are expanding our product lines to ultra-fine self-bonding wires, copper alloy wires and CCA wires as well.

*Plant area 50,000 square meters;
*Staff number 350+;
*Bare copper wire diameters from 0.012mm to 0.8mm;
*Self-bonding wires from 0.012mm to 0.60mm;
*400+ drawing machines & 90+ enameling machines;
*Monthly productivity capacity up to 1000 tons;
*ISO 9001, ISO 14001, OHSAS18001 compliance;
*IATF 16949 certified;
*RoHS & REACH conformance;
*UL file number E363385 ;

The copper content in our enameled copper wire is over 99.95%, quality guaranteed.
The typical thickness of insulation are Grade 1 & Grade 2 as per IEC 60317 standard, or Class 1 & Class 2 & Class 3 as per JIS 3202 standard.

Copper