In June 1999, with shan drum group company production operators and superior assets as the backing, established xi 'an shan drum power co., LTD., a registered capital of 145.53 million yuan, the group company holding 98.624%. Shan drum subordinate company has: spare parts manufacturing company, mount li air blower factory, low speed, low speed air blower factory, HuaQing machinery factory, fan fan company installation company. Is China in the design and manufacture of turbine machinery group enterprise as the core of large complete sets of equipment.