China high precision stud bolt b7 umenzi wangaphakathi wensimbi engagqwali induku enentambo
I-China high precision stud bolt b7 umkhiqizi owakha intambo ye-trapezoidal induku egcwele yentambo yangaphakathi yensimbi engagqwali efakwe induku
Bhala umyalezo wakho lapha futhi usithumelele wona