1. Nabata shei PD66 dị elu, naịlọn siri ike, mgbochi nrụgide, corrosion-eguzogide, ire ọkụ na ike.
2. Dị ọcha ọla kọpa gold-plated atụdo bụ thickened atụdo, ibu ogologo ndụ, magburu onwe conductivity.
3. Galvanized nickel-plated shei, shei ahụ bụ nke ọla kọpa / galvanized nickel plated.
4. Ọla kọpa alloy crimping eri njikọ, mfe Ọdịdị, a pụrụ ịdabere na njikọ, mfe disassembly na mgbakọ.
5. Ọkọlọtọ mba dị ọcha ọla kọpa, dabara adaba maka njikọ eriri nke ihe mmetụta dị iche iche na ngwa dị ka ihe mmetụta nrụgide, ihe mmetụta fotoelectric, sensọ ultrasonic, wdg, na mgbanwe siri ike.