Ngwa Ngwa

Ụlọ nyocha Dalian
Nnwale ike ike
Nnwale mkpọtụ na ịma jijiji
Nrụgide nrụgide
PT ule
Shenyang ule ọdụ
Ụlọ nyocha Shijiazhuang
Spectrometer
Nnwale okpomọkụ
Nchọpụta ntụpọ nke Ultrasonic
Ihe nlele XRF
Ihe nyocha 3D