SHANDONG LONGZE MECHANICAL EQUIPMENT CO.,LTD located in Jinan city, Shandong province,which is an ISO9001 and CE certified and high-tech enterprise established more than 15 years ago, LONGZE is a professional manufacturer specialized in R&D, production and sales of mechanical equipment products such as wood pellet machine, wood crusher, sawdust grinder, dryer machine, pellet cooler, pellet packing machine, wood pellet line,a total of more than 200 varieties, covering biomass energy, feed, organic fertilizer, environmental protection dust removal, biomass power generation and so on areas, which are widely sold worldwide and we have been recognized by our customers year after year.