Recently, Qingdao Anwang Explosion Prevention Equipment Manufacturing Corporation invested and established by Aetna Development Co., Hong Kong settled in Jiaonan city, Qingdao, with the total project investment of USD49.80m and the registered capital of USD30m. 300 jobs will be offered upon the completion of the project. It is expected that 15,000 tons of aluminium alloy explosion suppression materials, 2 million explosion prevention tanks and 5000 explosion prevention oilcans will be produced annually, realizing sales revenues of RMB1.45277b and profits of RMB290m and tax revenues turned over to the state of RMB94.43m. The project mainly covers such fields as production, processing and sales of aluminium alloy explosion suppression materials, explosion prevention tanks and explosion prevention oilcans. Auto explosion prevention tank produced in the project will prolong the chain of the auto supporting industries in the industry parks adjacent to the ports, enrich the variety of auto accessory products and play a major role of promotion in the cluster effect of auto supporting industries in the parks.