In quality control, we strictly comply with established international standards. We set up quality control department to strictly inspect the quality of raw materials and every aspect of production, for example, random inspections are conducted on the materials we use, as well as on each step of production, in addition to standard inspections of finished products, so we can provide crushers, such as impact crushers and double roller crushers, as well as sand-washing machines which are reliable with high quality.

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