ontop technology LTD was composed bu three key shareholders .including ontop technology LTD (HK), ontop technology LTD (SHENZHEN) and coremax microelectronic inc (Canada). our company integrates the research, design, production and marketing of those products. we have accumulated over many years' engineering experience and attained several patents in IC packaging and testing . at present ,our main products are listed as below: 1)wafer...