Ụgwọ nke ụlọ ọrụ Dongguan Wenchang Electronic Co., Ltd.tọrọ ntọala na 1997, dị na Humen Town, Dongguan City, Guangdong Province, China.Site na nnukwu mbọ nke otu anyị niile, ụlọ ọrụ anyị agafeela asambodo dị ka asambodo American UL, Canadian CSA, VDE, CCC na PSE.
N'ihe gbasara usoro njikwa, ụlọ ọrụ anyị agafeela asambodo sistemu njikwa mma ISO9001-2015, asambodo sistemu njikwa ihe dị ize ndụ IECQ-QC080000, asambodo sistemụ ụgbọ ala IATF16949.
Anyị na-eji Oxygen Free Copper (OFC) na-ahazi onye na-eduzi ọla kọpa n'onwe anyị, 99.99% ndị na-eduzi ọla kọpa electrolytic dị ọcha iji nweta ezigbo mma.
Anyị nwere PVC na TPU igwe jikọtara ọnụ, na-emepụta ihe mkpuchi nke anyị, belata ọnụ ahịa ihe.
N'ime afọ 23 maka nrụpụta USB, ihe karịrị ụdị 600 UL kwadoro USB.Anyị pụrụ iche na UL USB n'ichepụta kemgbe 1997.
Anyị nwere PVC na TPU igwe jikọtara ọnụ, na-emepụta ihe mkpuchi nke anyị, belata ọnụ ahịa ihe.
