... 2007, located in Wuyi of Zhejiang Province. Rongrong company covers 500.000 square meters with 400 more employees,among which ... , 20 sets of NC equipments, 500 meters more long radiator surface treatment production line such as Italian automatic electrophoresis process ... 2007, located in Wuyi of Zhejiang Province. Rongrong company covers 500.000 square meters with 400 more employees,among which ...