Dongan公司成立于1909年，總部位于美國底特律，主要生產高質量變壓器及其他電能設備。主要產品包括：ES-10系列控制變壓器，節能變壓器，單/三相CE變壓器，33和36系列控制變壓器，醫院絕緣變壓器，單/三相變壓器，點火變壓器，K系數變壓器及反應器、恒定電壓調整器等。其產品廣泛應用于醫院、各變電站等工業應用中。
美國dongan變壓器,點火變壓器控制變壓器部分常用型號:
A05-SA6 AO5-SA6 A05-SC7 AO5-SC7 A06-SA6 A06-SA6X AO6-SA6X A06-SA21 A06-SD7 A06-SJ5 AO6-SJ5 A08-SA1 AO8-SA1 A10-LA2 A10-LA22 A10-LA2X A10-LF3 A10-LF3X A15-LA61 A15-LA6 A20-LA7 C06-SA6 CO6-SA6 C10-LA2 C10-LA22 C10-LF3 E05-SA6 E06-SJ5 EO6-SJ5 EO5-SA6 F06-SA6 FO6-SA6 F06-SC2
E06-SA6 E05-SA6 E05-SA6X EO5-SA6 EA05-SA6 N10-LF3                      
BR-890 BR-892
LJH-90A LJH-90C A10-SF10 A10-SJ10 A10-SQ10 A10-SQ35 A10-SR10 A10-SV10 A10-SV35 A10-SW10 A10-SY10 A10-SP10 A10-SX10 A12-SV10 XD-AB201 XD-WN202 XD-BK103 XD-BK204 XD-CR205 XD-CR206 XD-AB207 XD-WN208 XD-WN209 XD-AR211 XD-DC212 XD-UR200 　SSI-WN202 SSI-BK103 SSI-BK204 SSI-CR205 SSI-CR206 SSI-WN208 SSI-WN209 SSI-CR210 SSI-AR211 SSI-DC212 SSI-MC214 SSI-BK215 SSI-UR200 SSI-UR300C SSI-URAO4 SSI-SAAO6 SSI-URAO6 SSI-RK01 A10-S32 A10-SK50 A10 -SV351 A10-SP18 A33 A42 BT4 C44 FS1 FM2 H10 H30-31 H34 H47 LW3 M38 Q12 QL6 SM5 D202 D637 D872 D1032 H1032 TP-125 O5U X101 1909-82 AO5-SA6 AO5-SC7 AO6-SA6 AO6-SA6GP AO6-SA6PF AO6-SA21 AO6- SC2 AO6-SD7 AO6-SJ4 AO6-SJ5 AO6-SV12 AO6-SY3 A08-SA1 A08-SJ5 A10-LA2 A10-LA22 A10-LC6 A10-LF3 A10-SG6 A10-SJ5 A12-SV22 A15-LA6 A15-LA61 A20-LA7 C06-SA6 C10-LA2 C10-LF3 E05-SA6 F06-SA6 N10-LF3 AO6-SA6X A10-LA2X A10-LC6X A10-LF3X A10-LN2X XD-DC212 XD-UR200 SSI-WN202 SSI-BK103 SSI-BK204 SSI-CR205 SSI-WN208 SSI-CR206 SSI-WN209 SSI-CR210 SSI-AR211 SSI-DC212 SSI-MC214 SSI-BK215 SSI-UR200 SSI-UR300C SSI-URAO4 SSI-SAAO6 SSI-URAO6 SSI-RK01 A10-S32 A10-SK50 A10-SV351 A10-SP18 A33 A42 BT4 C44 FS1 FM2 H10 H30-31 H34 H47 LW3 M38 Q12 QL6 SM5 D202 D637 9.D872 D1032 H1032 TP-125 O5U X101 1909-82 AO5-SA6 AO5-SC7 AO6-SA6 AO6-SA6GP AO6-SA6PF AO6-SA21 AO6-SC2 AO6-SD7 AO6-SJ4 AO6-SJ5 AO6-SV12 AO6-SY3 A08-SA1 A08-SJ5 A10-LA2 A10-LA22 A10-LC6 A10-LF3 A10-SG6 A10-SJ5 A12-SV2 A15-LA6
ES-10100.326 ES-10100.366 ES-10100.376 ES-10100.386 ES-10130.326 ES-10130.366 ES-10130.376 ES-10130.386 ES-10150.326 ES-10150.366 ES-10150.376 ES-10150.386 ES-10170.326 ES-10170.366 ES-10170.376 ES-10170.386 ES-10190.326 ES-10190.366 ES-10190.376 ES-10190.386 ES-10200.326 ES-10200.366 ES-10200.376 ES-10200.386 ES-10210.326 ES-10210.366 ES-10210.376 ES-10210.386 ES-10230.326 ES-10230.366 ES-10230.376 ES-10230.386