The architecture of Shandong Hotel was designed by world-famous Potman Designing Office USA,and the interior design was made by woodhead International,Australia.
This character differs from other Ordovician source rocks elsewhere in the world such as Kukersite Kerogen in Estonia and Guttenburgen type source rocks in USA.
In addition to rammers and smaller vibration plates ,a whole range of other products for the domestic market and for export worldwide is currently produced in the USA .