Kpọtụrụ anyị

Linqing Dingtai igwe CO, LTD nke e guzobere na 2002 nke dị na isi isi nke ebe ọwụwa anyanwụ, linqing City Toll 1 km). Njem njem. Companylọ ọrụ na-ahụ maka nyocha na mmepe nke ọgbakọ cydraulic, hydraulic systerm na ndị ọzọ.