At the beginning of its establishment, the company's main carter, allison accessories, Japan crane accessories and heavy auto parts;

Carter and allison maintenance business actively, and established the first comprehensive maintenance center in qinghai oilfield: tigers of qinghai comprehensive maintenance center;

Healthy business, expand the workover rig and fracturing truck maintenance in dagang oil field was established and the second comprehensive maintenance center: tigers of dagang comprehensive repair center;

Healthy business, expand the workover rig and fracturing truck accessories maintenance team continues to expand, set up in changqing oilfield third comprehensive maintenance center: tigers jingbian-yanshuiguang pipeline repair center;

Company supplies and maintenance business expanding, respectively in Beijing, qinghai oilfield, dagang oilfield, changqing oilfield, liaohe oilfield, jidong oil field, daqing oil field and other places set up a comprehensive maintenance service centers, seven in tuha oilfield, yumen oilfield, tanggu, dunhuang, xi 'an, tanghai county, the luntai, wushen banner and other places set up eight offices, sales and service outlets throughout the major oil fields, and began to send overseas technical service team;