Qingdao state Zheng building materials limited company   

State of Zheng building materials business: JDG/KBG threading pipe galvanized pipe bridge wire electric wire the Han River Han River * * * * * * the Great Wall the Great Wall fire package fireproofing mud can be * * puncture wound metal hose plica tube threading pipe bridge of Qingdao Qingdao Qingdao Han River Han River the Great Wall Qingdao the Great Wall * * * * Qingdao JDG Qingdao KBG JDG KBG 88602860 wire wear

Threading pipe JDG, Han River Bridge, * *, * * * * the Great Wall, puncture