In June 2009, officially released the 2008 Shenzhen bottled gas service satisfaction evaluation report ", in the assessment of the city's 12 bottled gas business, Shennan gas evaluation score the city ranked the top three, user satisfaction is relatively high.

The 2008 bottled gas user satisfaction survey work, by the Shenzhen Municipal Construction Bureau commissioned Market Research Consulting Co., Ltd. of Shenzhen city dimensions in the city within the scope, assessment work follow international practices and industry standards, technical evaluation reference American customer satisfaction index (ACSI) evaluation system, the door surface visits and telephone survey two method combining, questionnaire 3060 pieces.