HV ZhongHao Machinery and Electrician Science Co.,Ltd ,founded in the 1964s, As one of the four basic subsidiaries under China Machinery Group Corp. Ltd,manufacture cigarette-making machines, Hand tools,and in specializes in electron that all kinds contactmetals are developed,invented new Type compound electric contact martial for low voltage electric equipment.By providing highly efficient after-sales service and timely spare parts, we have built a good and long-term relationship with many customers.