Yes Official website of Shandong Lianyinshan Environmental Protection Building Materials Co., Ltd. shows that Shandong Lianyinshan Environmental Protection Building Materials Co., Ltd. is a state-owned enterprise. Shandong Lianyinshan Environmental Protection Building Materials Co., Ltd., with a registered capital of 60.06 million yuan, is located in Shanting Beijing Road, Zaozhuang City, Shandong Province, and its business scope covers the production of ready-mixed concrete, dry-mixed mortar and aggregate.