所用的每一块板材都要经过采购及质检的严格把关，保证无污渍、无锈斑，无伤痕，合格后才能进入生产工序，从源头确保产品质量。
After strict check, each plate with no stains, no rust, and no scratches can be entered into production process, so as to ensure product quality from the very beginning.
质检人员对新产品的质量严格把关。
Quality control personnel subjected the new products to rigorous testing.
企业视质量为企业生命，从原材料进厂到产品出厂的全过程实行严格把关。
Regarding product quality as the life of the enterprise, we strictly control the whole process from the raw materials entering factory to the products of ex-factory.
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