Rizhao Haoyu New Building Materials Co.,Ltd is a manufacturer and trading company established in 2003 in Rizhao, Shandong, China, a port city near Qingdao. The company operates a factory spanning 30,000-50,000 square meters and employs 101-200 people. Specializing in building materials, they are a leading producer of various grades of portland cement, including 32.5, 32.5R, 42.5, 42.5R, 52.5, and 52.5R, as well as clinker and high-performance compound portland cement. Their product portfolio also includes Polycarboxylate Superplasticizer Powder and Liquid, Tile Adhesive, Marble Powder, White Natural Gravel, Chamotte Facing Brick, Ceramic Tile Cement, Gray Silica, coal fly ash, dry premixed mortar, concrete additives, slag, and gypsum. The company offers OEM services and maintains a large cement warehousing facility of over 30,000 square meters, capable of storing both large and small packing cement. Rizhao Haoyu New Building Materials Co.,Ltd is ISO 9001 certified and their products comply with GB175-2007, EN197-1:2000, and SONCAP (NIGERIA) standards. They have an annual output of one million tons of cement and are recognized for their strong R&D capabilities, fostered through collaborations with prestigious academic institutions like Tsinghua University, HongKong University of Science and Technology, and Jinan University, where they established the HaoYu New Materials Institute. Their "QIHAN-Brand" cement is well-known in China and abroad.