What is the Minimum Order Quantity (MOQ) for spray anti slip for sneakers? What material and ingredient options are available for spray anti slip for sneakers? Can you assist in placing our company logo on the product? If it’s possible, what options are available? Can you send a sample of the product via express shipping so we can inspect its quality? What are your estimated production and shipping times for customized products? Does the company do Amazon warehouses shipments? Can you package the products with custom packaging? What types of certifications or quality standards does the product has?