巴基斯坦采购需求：变色颜料 紫外光致变色颜料

I'm reaching out to inquire about the availability of photochromic pigments suitable for use in sunscreen formulations. We are particularly interested in high-quality options that can offer reliable UV protection while providing a pleasing aesthetic effect. Given the increasing demand for innovative sunscreen products, we are eager to explore your offerings and how they might complement our current line. Could you please provide details on the types of photochromic pigments you have available, including their specifications, pricing, and any relevant certifications? It would also be helpful to know about minimum order quantities and lead times for delivery. We're looking to establish a reliable partnership for ongoing supply, so any additional information or recommendations you have would be greatly appreciated.