Quality Assurance


Many innovative internal control indicators of Oulun Coating (Oulun Coating) not only ensure the good performance of Oulun (Oulun) products, but also lead the supplier's technical improvement and product improvement. The effective control of heavy metals such as As, Pb, Hg and related residual monomers in raw materials meets the requirements of developed countries and regions such as Europe, the United States and Japan.

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