Tianjin Prosperous Trading Co., Ltd. is a leading China-based manufacturer, supplier, and factory of top-quality fertilizers, including the highly sought-after K 40 Fertilizer. This premium-grade fertilizer is designed to deliver the perfect balance of potassium and other essential nutrients for your crops. K 40 Fertilizer is made using a specialized blend of natural ingredients, carefully selected and blended to ensure maximum potency and effectiveness. Whether you're looking to promote growth, increase yields, or improve overall crop health, K 40 Fertilizer is the perfect choice. It's suitable for use on a wide range of crops, including fruit trees, vegetables, and grains. Thanks to the advanced formula used in its production, K 40 Fertilizer is highly effective while still being eco-friendly and safe for use around humans and animals. So, if you're after a high-quality fertilizer that will help you get the most out of your crops, look no further than K 40 Fertilizer from Tianjin Prosperous Trading Co., Ltd.