industrial engineering in Shandong

Delong Machinery Co., Ltd is a leading and professional supplier and exporter of foodstuff processing machines, plastic processing machines, all kinds of packing machines. With its rich industry …

JINAN LONGWANGDA TRADE CO.,LTD. located at Jinan City, the capital of Shandong Province, is one company that specializing in the export business of Chinese construction machinery, equipment and a…