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.

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.

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.

MKPO52-34 is a highly concentrated, fully water-soluble fertilizer with a unique nutrient formula of 52% Potassium (K₂O) and 34% Phosphorus (P₂O₅). It is specifically designed to provide a powerful, balanced supply of phosphorus and potassium during critical growth stages. This chloride-free and low-salt index fertilizer is ideal for fertigation and foliar application, ensuring rapid nutrient uptake and high efficiency. MKPO52-34 is particularly effective in promoting flowering, fruit setting, fruit expansion, and improving crop quality attributes such as sugar content, color, and storability. It is a premium choice for high-value crops requiring intensive P and K nutrition.

Magnesium Oxide (MgO), also known as Magnesia, is a white inorganic fine chemical product with high thermal stability and chemical inertness. Classified by activity into light/burned and heavy/dead-burned types, it features good water solubility (with reaction) and alkali property. Widely applied in agriculture, industry, building materials and environmental protection, it acts as a magnesium microelement fertilizer, industrial additive, refractory material and soil conditioner. With stable performance, high purity and customizable activity, it is a versatile basic chemical with broad application prospects.

Ferrous Sulfate Heptahydrate (FeSO₄·7H₂O), also known as Green Vitriol, is a water-soluble inorganic microelement fertilizer and fine chemical product, with ≥98% purity and effective iron content ≥19.7%. It appears as pale green monoclinic crystals, highly soluble in water and slightly weatherable in air. Widely applied in agriculture, water treatment and industry, it supplements essential iron for crops, corrects iron deficiency chlorosis, and acts as a flocculant and industrial raw material, with stable performance and cost-effectiveness.

Ammonium Sulfate 21-24 is a high-quality inorganic nitrogen-sulfur compound fertilizer, the classic agrochemical with fixed nutrient content of 21% total nitrogen (N) and 24% available sulfur (S), presented as white crystalline powder or granular solid. It features high water solubility, rapid nutrient release and easy crop absorption, suitable for all soil types especially sulfur-deficient acidic soils. Widely applied in grain, cash, fruit and vegetable crops, it supplies dual N-S nutrition, promotes crop growth and improves yield, a staple fertilizer for agricultural production with mature production process and stable quality.

Controlled Released Urea 46% (CRU 46%) is a high-efficiency slow-release nitrogen fertilizer with 46% total nitrogen, the core nutrient content of standard urea, upgraded with advanced coating technology. It appears as white spherical granules, featuring slow and sustained nitrogen release matching crop growth rhythms. Widely applied in grain, cash, fruit and vegetable crops, it reduces nitrogen volatilization/leaching loss, boosts fertilizer utilization rate, cuts fertilization frequency and improves crop yield/quality. Non-toxic, easy to apply and adaptable to all soils, it’s a mainstream eco-friendly fertilizer for modern agriculture.

Citric Acid Monohydrate (chemical formula: C₆H₈O₇·H₂O) is a high-purity white crystalline organic acid, a core fine chemical product with a characteristic sour taste and excellent water solubility. It is produced via microbial fermentation (main raw material: starch) and naturally exists in citrus fruits. Non-toxic, biodegradable and chemically stable, it acts as an acidulant, chelating agent, pH regulator and preservative. Widely applied in food & beverage, daily chemicals, pharmaceuticals, industrial manufacturing and water treatment, it is one of the most versatile organic acids worldwide with mature production processes.