Chaw Nyob:
Qiange Villiage, Xinzhaizi Street, Ganjingzi, Dalian, Liaoning
Cov Khoom Tseem Ceeb:
SLZA E/F Series Cov Twj Tso Kua Mis Txheej Txheem
AYG series ntsug pipeline twj tso kua mis
TMC/TTMC twj tso kua mis ntsug
SLCZ series txheem twj tso kua tshuaj
LY series ntev ncej twj tso kua dej hauv qab