What should I do once I receive amino acid formula imperfections?
Please send photos of imperfections to Green Stone Swiss Co.,Itd immediately. Any details may be attached. We carry out strict quality control throughout the production, from incoming materials to finished products. We promise that the pass rate of amino acid formula is at least 98%.
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Strong capacity and quality assurance make Green Stone a leader in cosmetic ingredients. As one of Green Stone's multiple product series, active pharmaceutical ingredients series enjoy a relatively high recognition in the market. The quality of Green Stone wholesale cosmetic ingredients is ensured through a wide range of testing solutions. These solutions are for performance and durability, as well as, safety certifications, chemical, flammability testing, and sustainability programs. The product has a beneficial effect on disease prevention. The product is prominent in stability and reliability. It works stably even in rigorous conditions, such as low and high temperature, and labile pressure. It can easily dissolve in the water.
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We unswervingly uphold the service concept of 'Customer First'. We will spare no effort to produce products that cater to our customers, and we will work hard to improve customers' satisfaction rate by practicing active listening and following up their orders.

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