Lv 731,648 points

Lee26Caloo秦君子蘭

Favorite Answers9%
Answers9,606

Has been repaired,modified,built or designed over 20000 pieces device or system in different fields. Specialize on avionic, home appliances,consumer electronic products,sewing industry electric machinery, home electricity,small design,transceiver , antenna,battery charging system; 20KV High volt design and more.