Zonfa Electric(Tongling)Heart Precision Industry Co.,Ltd is the wholly-owned subsidiary of Tongling Zonfa Trinity Technology Co.,LTD (abbre:Zonfa Technology,stock code:SH600520). The co***ny is a professional manufacturer high-tech enterprise ,including design,produce precision prodcuts, punch-press bearing housing and sealing, is the largest manufacturer of bearing housing in China, can offer 8 million sets bearing housing and sealing....