Windows.Insulation Ring Jewel、Tubes and Rods are made from Sapphire and Ruby.We manufacture above-mentioned products as per customer’s design & specifications.
Welcome To GuanLeMing!
工业宝石
以蓝宝石、红宝石为原材料，按用户要求生产各种规格的宝石镜片、宝石绝缘环、宝石筒、宝石棒等。
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徐泾厂区