Black iron wire application mukuita, iyo huru iri kuburikidza neinopisa simbi billet ichikunguruka kuita matanhatu point shanu mm waya tsvimbo, uye woiisa mudhirowa mumutsara wedhayamita yakasiyana, chirimwa uye ipapo zvishoma nezvishoma kudhirowa dhizaini, kutonhora. uye annealing, plating process, yakadai ...
Verenga Zvimwe