Our company assures you that our products are in high quality and proper component, and the product inspection certificate is also available.
本公司保证产品质量及成分构成，并可提供产品检验报告。
Selection of steel doors and Windows must be to dealers for product quality inspection certificate.
选择好塑钢门窗后一定要向经销商索要产品质量检验合格证明。
The company product quality is steady, zhejiang and technical supervision inspection qualified certificate every year.
公司产品质量稳定，浙江省技术监督局每年检验合格颁发证书。
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