Strict Quality Control Strict Quality Control System ensures the consistent delivery of stable quality product at all time. The QC control system is in accordance with GMP/ISO's requirement.Reliable Material SuppliersWe work with high-quality suppliers from Germany, Japan, US, Hong Kong and China mainland, such as BASF, Sumitomo, Dow Corning ,ISP and , CPL Aromas. Strong R&D CapabilitySamkus has built a colose relation with labs in USA where the latest raw materials and technologies are developed, keeping Samkus stay at the leading edge of hair cosmetic filed. International CertificationAll our operations are ISO 9001:2008-certified and every month, more than 1,000 metric tons of SGS-certified hair care products are turned out of our GMP workshop.