Changzhou Junhe Technology Stock Co.,Ltd is a high-tech enterprise devoted to developing industrial fine chemicals,special equipment and services solution provider which was founded in Changzhou
Niquelado bajo del cinc del agua/capa anti 3.8-5.2 pH de la corrosión 1. Proceso de capa del niquelado del cinc 1 ratio de la mezcla Paquete A: 16,0 ...