Are there any foreign companies engaged in petroleum or chemical industry in Xi? Europe, America, Japan and South Korea will do. Please recommend it.

There are ABB (Xi 'an Power Capacitor), Siemens (Northern Suburb), Coca-Cola (Northern Suburb), Huawei (No.2 Technology Road), Emerson Energy (No.3 Technology Road), ZTE, mitsubishi electric (Northern Suburb), BYD, Fast Tooth, Brother Standard, Micron, Janssen Pharmaceutical Company, HSBC and Bank of East Asia.