I-Huaneng Zhongtian Energy Conservation Technology Group Co., Ltd. iyisisekelo sokukhiqiza i-rock wool nerabha enyakatho yeChina.Yasungulwa ngo-1985, sekuyiminyaka engama-35 icwaninga izinto ezonga amandla kanye nokufaka amabhilidi.Iqembu lihlanganisa indawo engamahektha angu-420, liqashe abantu abangaphezu kwenkulungwane, futhi libambe iqhaza ekubhalweni nasekubuyekezweni kwamazinga kazwelonke izikhathi eziningi, lathola cishe izitifiketi eziyikhulu zelungelo lobunikazi.