... purification,refractory material,energy efficient equipment Operational Address:East Of 2nd Floor, Unit 1, High Level, Mingyang Garden, Gongyi , Gongyi Henan, China ... Certification:ISO 9001:2000 Company Authentication Registered Address:East Of 2nd Floor, Unit 1, High Level, Mingyang Garden, Gongyi, Hnan, China (Mainland ...