international annealed copper standard 国际退火铜标准 Copper Standard Parts 铜质标准件 Oxine-copper Standard Solution 喹啉铜标准溶液 ..
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Yantai Qixia copper product co., Ltd is a member of Universal parts Association, is the production of standard parts of the backbone enterprises of copper, 30 years of production experience.
烟台市栖霞铜材有限公司是中国通用零部件协会成员，是生产铜标准件的骨干企业，有30多年的生产经验。
Plastic enchase nut, Copper, iron and aluminum stainless steel jewelry car parts, Non-standard screws, Axle pin;
塑胶镶嵌螺母；铜铁铝不锈钢饰品车件；非标螺丝；车轴销钉；
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