Zhejiang Dongya Electronic Co., Ltd. was established in 1984, with registered capital of USD 1,482,353. Our company is specialized in manufacturing, developing and selling all kinds DC contactors, relays, shunts, hydraulic breakers and mini middle power electromagnetism products. We have set up three offices in Shenzhen, Guangzhou and Tianjin. Dongya owns 10,000 square meters standard factory. There are more than 100 product models, with an annual productive capacity of 80 million pieces. ...