Despite of economic crisis, we will go on our participation to Hongkong Electronics Fairs Autumn Edition on 13th to 16th October, 2009, at Wan chai Convention and Exhibition Center, Hong Kong.
Kindly please note the booth of DUOYI is GHA10, the same place as last autumn. Our latest products will be presented for your evaluation.
After
From Jan. 2008, a new carrycase is involved in DUOYI™ products, the earth tester
There is a statement to claim: DUOYI™ electronics Co., Ltd. is the unique and legal patent owner of mechanism protection. The patent code is ZL 01 2 15021.5, which is granted by State Intellectual Property Office of P.R. China.
After market evaluation and lab enhancement,
DY30-x series, a key series in DUOYI product line, proves DUOYI in-deep experience of insulation industry. To dig in insulation testing, we now release a new 

We have been waiting for the EURO plug of 