Shandong Jiu Chang Heavy Industry Technology Co.Ltd. is a heavy machinery company which covers research, manufacture, sales and after sales service. The company is located in the beautiful international kite capital Weifang, the new factory covers an area of more than 20,000 square meters. The year yield of crushers and equipments is bigger than 600 unit. Over the years, the company adhere to people-oriented, independent innovation, along with our strong technical force, we quickly become the industry's leading heavy machinery company. The 4PG1219 type four roller crusher which is...