Our company specializes in manufacturing aluminum products. Has aluminum valve. Plumbing aluminum bends access.
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has aluminum valve
有铝制阀门
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The valve has the advantages that 1. the using of the lead-free aluminum alloy for rubber coating is safe and environment-friendly;
本实用新型的优点是：1。使用无铅铝合金包胶，安全、环保；
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