Liquefied gas filling personnel are for the outgoing liquefied gas cylinder a safety check. Baling petrochemical  

  according to relevant state security law requires the use of liquefied gas cylinders, recently bought 30000 investment alternative old-fashioned welded cylinder cylinder. The first of the 12000 wear "little red riding hood" of the welded cylinder is packed in the recent gas for use of residents, the next batch of 18000 new cylinders will also the revamping the arrival of the goods.