... 2006 in Wulian County,Shandong Province as a manufacturer and exporter of body building fitness products, ... attention to customer's requirement , beyond customers' expectation , iron-hard quality control process , steel-hard manufacturing requirement , ... apparatus:, cast iron kettle bell with 4kg, 8kg, 12kg, 16kg, 24kg, 36kg, 48kg,cast iron kettle bells with steel handle, nodular iron kettle bell, ...