Pre-shipment review (PSI) is just one of many excellent control evaluations conducted by Liya Biotechnology Co., Ltd. This review is based on regular QC testing or on client request. Based on these standards and processes, samples have been randomly chosen and flaws are assessed. For all of us, pre-shipment review is an important step in the quality management procedure and a means to confirm the grade of this hair growth essence before dispatch.

Liya Hair Products & Cosmeitcs has been producing and offering high-quality waterproof fiber mascara for years. Our competence and experience in this industry are well-known. face lotion series manufactured by Liya Hair Products & Cosmeitcs include multiple types. And the products shown below belong to this type. Liya best vitamin c serum has been fully tested in many aspects. They are colorfastness, breathability, flammability, resistance to bacteria, durability, and harmful substances content. This product will not cause over-drying or itching problems after use. The service life of this product is highly guaranteed by the strict test procedure which is in line with international standard. It is tested to be high performance and user-friendly. This product will not cause over-drying or itching problems after use.

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