ZONHOW was established in 2011, predecessor DAZHONG 2006. Today it is a global contender and one of the top-ranking manufacturers suppliers testing equipments worldwide. With our advanced technologies competitively priced machines, systems software, we ...

Tony Detection Instruments Co., LTD is located in Dongguan -the south of China, specialized researching, manufacturing and selling the test equipments. Continue its advanced design technology concept, excellent producing outstanding system quality ...