Is Changchun natural gas security inspector outsourced?

No, natural gas security personnel need strict requirements, not outsourcing. They are all selected and trained by Changchun Natural Gas Company and belong to professionals. Changchun Natural Gas Co., Ltd. was established on August 29th, 1990. It is a large state-owned capital holding enterprise responsible for the professional contracting of natural gas pipeline transportation, natural gas supply and pipeline engineering.