Case Kev tsim kho ntawm ob chav txheej Classic Crystallization

Cov tswv yim los ntawm cov kev pabcuam Noble tsheb thauj ntawm Xingtai City, Hebei Province

Kev Txhim Kho ntawm Ob Chav Laj Classic Crystallization ntawm Dawb Pleev Xim Ntawm Nissan Tsheb