Yingkou Bo Tian refractory material Co. Ltd. is a spherical graphite, graphite, alumina, white fused alumina, Zong Gangyu products such as professional production and processing companies, has a complete, scientific quality management system. Yingkou Bo Tian refractory material limited company's good faith, strength and quality of products recognized by the industry. Welcome all friends to visit, guidance and business negotiation.