* N'elu nke KINKOU-High Precision Beryllium ọla kọpa waya (C17200).
dị ire ụtọ, dị ọcha, na-enweghị mgbawa, ekpepụsị, pricking, ike ịdọrọ, mpịachi na nsonye.
*Mgbajie elu nke waya bụ kọmpat na-enweghị shrinkage, porosity, delamination na nsonye.
* Ọ nwere ike izute ihe achọrọ nke winding na rewinding, na-emepụta na-aga n'ihu na zinc plated.The dayameta nke akaghị agbanwe agbanwe mgbe na-aga n'ihu rewinding, na a gaghị enwe ekwe, corrugation na wrinkling nke waya.