Ningbo De-Shin Industrial Co., Ltd, nke a makwaara dịka Ningbo De-Shin Precision Alloy CO., Ltd, nke e hiwere na 2008, bụ otu n'ime ndị na-emepụta waya EDM kacha mma ma na-arụsi ọrụ ike na China, nke nwere ikike mmepụta kwa afọ nke tọn 4000. Ugbu a, anyị na-ere ihe dị ka tọn 200 waya EDM kwa ọnwa, 50% maka ahịa ime obodo China na 50% maka ahịa mba ofesi, gụnyere ọtụtụ mba Europe, ndịda ọwụwa anyanwụ Eshia, Korea, Japan, Newzealand, Canada, USA, Mexico, Brazil na Argentina, wdg. Anyị emeela mmekọrịta azụmahịa siri ike na ndị ahịa si mba karịrị 50.

Anyị na-emepụta waya ọla EDM dị elu CuZn37 & CuZn40, waya a kpụchara zinc na waya a kpụchara annealed n'ụdị spool niile nwere sistemụ njikwa dị mma siri ike. Waya EDM niile a na-emepụta maka mbupụ ga-agafe ule OQC siri ike iji hụ na arụmọrụ ya dị mma.

Site na ọkọlọtọ dị elu, ọnụ ahịa asọmpi kachasị elu, nnyefe ngwa ngwa na ọrụ afọ ojuju, Ningbo De-Shin kwesịrị ịbụ onye na-eweta waya EDM kacha mma gị.