YUEQING HEYUAN ELECTRONIC TECHNOLOGY CO.,LTD. established in 2009, is a professional manufacturer focuses on the research, development, production, sale and service of power supply products. such as v...

7F-7, No 925,Sec.4 , Taiwan Blvd.

HAMAK are abbreviation of Hallmark，which representatives HAMAK pay attention on quality requirements, like Hallmark presented, being a golden-stamped logo，timeless and never fade，the concept of qualit...

10F-2, No. 33, Sec. 1, Ming-Shen Rd.

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