the paper brings out the complex technology which is after laser discrete hardened pretreatment on basal body, chromate treatment can improve the service life of chromium plated gun barrel.
提出了先激光离散淬火预处理基体后,再镀铬提高镀铬身管寿命的复合工艺。
so4-20 polyurethane enamel is the most suitable coating for chromium plated plastics works as compared with the others.
与多种涂料比较,so4-20聚氨酯磁漆最适用于涂装塑料镀铬件。
this company is a well-established, and reliable leader in chromium plated goods for both domestic and industrial markets.