Department of Commerce investigated that whether these investigated productions were dumping and the quantity, whether these productions damaged the mainland industries of China and its degree.

• 商务部对被调查产品是否存在倾销和倾销幅度、被调查产品是否对中国大陆产业造成损害及损害程度以及倾销与损害之间的因果关系进行了调查。