Qingdao Chang Jia Machinery Co.. Ltd. is located in the beautiful coastal city – Qingdao west coast, is aresearch, development, production, operating as one of the casting machinery and environmental protection machinery enterprises. Complete product varieties,rich in technical content, also with import and export rights, is one of the major production and export base of domestic foundry machinery and environmental protection machinery. The company has two pillar industries : Blast cleaning equipment and environmental protection equipment, focused on…