The nitrogen, phosphorus and potassium content of high concentration compound fertilizer exceeds 40%, the nitrogen, phosphorus and potassium content of medium concentration compound fertilizer exceeds 30%, and the nitrogen, phosphorus and potassium content of low concentration compound fertilizer exceeds 25%.

Caustic Soda, also known as Sodium Hydroxide (NaOH), is a strong alkaline inorganic compound. It usually appears as white flakes, pearls, or solid, with high solubility in water and strong corrosiveness. It is widely used in soap making, paper manufacturing, textile processing, water treatment, chemical synthesis, and cleaning industries. With stable quality and high purity, it serves as an essential raw material in industrial production, neutralizing acids, saponifying fats, and adjusting pH efficiently.

Calcium Chloride (CaCl₂) is a highly versatile inorganic salt widely used across food, industrial, and environmental applications. It appears as white flakes, pellets, or powder with strong hygroscopicity, high solubility, and excellent de-icing performance. It serves as a firming agent in food processing, an effective desiccant, a reliable snow-melting agent, and a key additive in construction and water treatment. Safe, stable, and efficient, it is an essential material for both industrial production and daily applications.

Baking soda, chemically known as sodium bicarbonate (NaHCO₃), is a white, crystalline, water-soluble powder with a mild alkaline nature. It is widely recognized as a safe, non-toxic, and versatile substance used in cooking, cleaning, personal care, and household maintenance. When combined with acidic ingredients, it releases carbon dioxide, making it ideal for leavening baked goods. Its gentle abrasive and deodorizing properties also make it popular for neutralizing odors, removing stains, and softening water. It is affordable, eco-friendly, and suitable for both food-grade and everyday household applications.

Zinc Sulphate Monohydrate (ZnSO₄·H₂O) is a highly effective and widely used inorganic micronutrient fertilizer. It provides zinc (Zn) in a readily available sulphate form, essential for correcting zinc deficiency in crops. Zinc is a vital component of numerous enzymes involved in plant growth regulation, protein synthesis, and auxin production. This fertilizer is particularly crucial for cereals like rice and corn, as well as fruit trees, where zinc deficiency can severely limit yields. Its high solubility ensures quick plant uptake through soil application or foliar sprays, making it a cornerstone of modern micronutrient management.

NPK30-10-10 is a high-nitrogen, water-soluble fertilizer specifically formulated to promote vigorous vegetative growth. With a 3:1:1 ratio (30% Nitrogen, 10% Phosphorus, 10% Potassium), it provides a powerful boost of nitrogen to stimulate lush, green foliage and rapid stem development. This formulation is ideal for young plants, leafy vegetables, and ornamental foliage plants that prioritize leaf mass over flowering. Its high solubility ensures immediate nutrient availability through fertigation or foliar application, making it the preferred choice for establishing strong canopies and recovering plants from stress or nutrient deficiency.

NPK20-20-20 is a universally balanced, high-efficiency water-soluble fertilizer, providing equal parts Nitrogen (20%), Phosphorus (20%), and Potassium (20%). This 1:1:1 ratio makes it an ideal all-purpose plant food suitable for a vast range of crops and growth stages. Its complete solubility ensures rapid nutrient availability for fertigation and foliar feeding, promoting vigorous vegetative growth, strong root development, and robust overall plant health. As a cornerstone of modern precision agriculture, NPK20-20-20 offers growers a reliable and consistent nutritional foundation to maximize crop potential from seedling establishment through to harvest.

NPK15-15-30 is a high-potassium, fully water-soluble fertilizer designed to meet the elevated nutritional demands of crops during critical reproductive and fruiting stages. With a balanced nitrogen (15%) and phosphorus (15%) foundation and a high potassium (30%) content, this formulation promotes vigorous growth while prioritizing fruit quality, yield, and stress resistance. Its complete solubility ensures rapid nutrient availability through fertigation and foliar application, making it ideal for high-value crops. NPK15-15-30 is the go-to choice for maximizing fruit size, sweetness, color, and shelf life, ensuring optimal crop performance and profitability.

Urea Phosphate UP17-44 has dual attributes of a compound fertilizer and a fine chemical product, and its core classification is strictly determined by its actual application scenario—this is the key principle for customs declaration, product filing and industrial labeling, with the two attributes not mutually exclusive but defined for different application fields.

Sulphur is an essential macronutrient for plant growth, crucial for protein synthesis, chlorophyll formation, and nitrogen efficiency. Historically supplied incidentally through atmospheric deposition and impure fertilizers, modern agriculture faces widespread sulphur deficiency due to cleaner air and high-analysis fertilizers. Sulphur fertilizers correct this deficiency, improving crop yield and quality. They are particularly vital for oilseeds, legumes, and cereals, enhancing oil content, protein levels, and stress resistance. Available in elemental, sulphate, and liquid forms, sulphur products ensure optimal plant nutrition and sustainable soil health, making them indispensable in contemporary farming.

Sulfate Iron (II) Hydroxide is a specialized iron supplement and soil amendment used primarily to correct iron deficiency in plants and improve soil conditions in alkaline or calcareous soils. This compound provides iron in a form that is more stable and less prone to oxidation than simple iron salts, ensuring better availability to plants. It is particularly effective in high-pH soils where iron becomes insoluble and unavailable. By supplying both iron and sulfur, it addresses chlorosis (yellowing of leaves) and promotes healthy chlorophyll synthesis, leading to improved plant vigor, greener foliage, and enhanced crop yields.

A soil conditioner is any material added to soil to improve its physical properties, primarily its structure and texture. Unlike fertilizers, which directly provide nutrients to plants, conditioners work to create a better environment for root growth by enhancing water retention, drainage, aeration, and nutrient-holding capacity. Common types include organic matter (compost, manure), minerals (gypsum, lime), and synthetic polymers. By improving soil tilth, conditioners help plants access water and nutrients more efficiently, reduce erosion, and support a healthy soil microbiome. They are fundamental to sustainable agriculture, soil reclamation, and successful gardening in challenging soils.

Potassium Sulphate (SOP), chemically known as K₂SO₄, is a premium, chloride-free potassium fertilizer containing 50-52% K₂O and 17-18% sulfur. It is the preferred potassium source for high-value, chloride-sensitive crops due to its ability to significantly enhance crop quality without the risk of chloride toxicity. SOP improves fruit size, sugar content, color, and shelf life while also providing essential sulfur for protein synthesis. Its excellent water solubility makes it ideal for fertigation and foliar application. SOP is indispensable in modern agriculture for maximizing the yield and marketability of cash crops, fruits, and vegetables.

Potassium Phthalate is a high-purity organic potassium salt chemical with the molecular formula C8​H5​KO4​ (monopotassium) / C8​H4​K2​O4​ (dipotassium), appearing as white crystalline powder or colorless crystals. It features excellent water solubility, stable chemical properties under normal temperature and pressure, and low hygroscopy. Widely used as a chemical reagent, industrial intermediate, and additive in coating, plastic and textile industries, it has strict purity standards for different application grades and is a key fine organic chemical product in industrial synthesis.