Inquiry about Professional Hair Scissors

I am seeking a long-term wholesale partnership for professional hair scissors kits with custom branding under our brand. Requirements include: - Material and Quality: Authentic Japanese 440C Stainless Steel with guaranteed hardness of 58-60 HRC and a Ball Bearing Screw System, supported by a material analysis report. - Product Range: Convex Edge in sizes 5.5", 6.0", 6.5", and 7.0"; Micro-serrated Edge in sizes 5.5", 6.0", and 6.5". - Custom Branding and Accessories: High-precision laser engraving of our brand, premium faux leather protective case, maintenance kit with lubricating oil and microfiber cloth, and a high-density silicone silencer. - Quality Control: Must pass wet tissue test, have hollow ground blades, and meet tension test standards where the blade stops at 1/4 or 1/3 when dropped from a 90° angle. - Wholesale Details: Need minimum order quantity, price tiers for 50, 100, and 200+ units, and estimated shipping costs and lead time to Brazil via DHL, FedEx, or UPS.