Sintered Ceramics After more than 20 years of development and experience accumulation, The main production plants of Runjin technology and trade complex are as follows: Qingdao Huaye New Material co., ltd. Shandong Daqiao New Material co., Ltd. Yangquan Wanglong Refarctories co.Ltd. Anshan Aoan High Temperature Material Co., Ltd. It's total assets value has reached 1.05 Billion RMB and currently employs 4078 personnel, including 544 refractory technical personnel and 3145 well trained workers Th...  more