Laizhou Yunlong plasthetics limited company is a joint-equity enterprise that scientific research, development, production are combined into one, which has now grown into a provincial standardization enterprise. The enterprise has strong technical force , there are 20 more engineers and technicists, 10 more testing and inspection equipments, two rubber hose production lines which advanced level at home. It is a good faith enterprise in shandong rubber industry and AAA unit of financial system in china.