铜件。水暖配件，铜锁具等黄铜制品的专业生产厂家。
Copper pieces. Plumbing fittings, copper brass locks and other products.
报导了以SEM为表征手段，对重铬酸盐钝化处理的黄铜制品进行了表面形貌分析，就其防腐性能进行了测试。
In this paper, the surface characterization of the brass inactivated by dichromates is analyzed by SEM, and its anticorrosion property is tested.
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