Peb muaj ib txoj kev tswj xyuas zoo nruj heev kom ntseeg tau tias cov khoom nrhiav tau.
Tag nrho cov khoom muaj daim ntawv pov thawj ISO thiab SGS.
TUS NEEG MUAB KEV DAWS TEJ YAM KEV KHO DEJ POV TSEG THOOB NTAUB NTAWV
Yixing Cleanwater Chemicals Co., Ltd.
Yixing Cleanwater Chemicals Co., Ltd.
Daim Ntawv Pov Thawj