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High-purity, fully water-soluble phosphate fertilizers engineered for precision greenhouse fertigation, drip irrigation, and hydroponic nutrient management systems.
Years Experience
Sichuan Luobu New Material Technology Co., Ltd., founded in 2019, is located in Shifang City, Sichuan Province — one of China's key phosphate production regions. The area is known for its strong phosphate resource base and well-developed industrial infrastructure, providing a solid foundation for fertilizer manufacturing and technical innovation.
The company focuses on the research, production, and supply of high-performance phosphate-based fertilizers for modern agriculture, with a specialization in Monopotassium Phosphate (MKP) for greenhouse fertigation systems, hydroponic solutions, and precision irrigation networks worldwide.
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+86 13219891661The global market for water-soluble phosphate fertilizers — particularly Monopotassium Phosphate — is witnessing unprecedented growth, driven by the rapid expansion of controlled-environment agriculture and precision nutrient management.
The global greenhouse fertigation market is projected to surpass USD 8.5 billion by 2030, with MKP representing over 28% of all water-soluble phosphate fertilizer consumption in controlled-environment agriculture.
China accounts for over 65% of global MKP production capacity. Sichuan Province, with its abundant phosphate ore reserves, has emerged as the epicenter of high-purity MKP manufacturing for export markets.
Over 78% of commercial greenhouse operations in Europe and North America have transitioned to fertigation-based nutrient delivery, requiring fully water-soluble, chloride-free phosphate sources like MKP.
IoT-enabled fertigation controllers and AI-driven nutrient dosing systems are increasingly demanding ultra-high-purity MKP (≥99%) to prevent clogging in precision emitters and automated mixing systems.
Regulatory pressure across the EU and North America is accelerating adoption of chloride-free, heavy-metal-tested fertilizers. MKP's clean chemical profile positions it as the compliance-friendly choice for premium growers.
The vertical farming industry, growing at 25% CAGR globally, relies exclusively on soluble nutrient solutions. MKP serves as a cornerstone phosphorus-potassium source in multi-tier hydroponic tower systems.
Monopotassium Phosphate (KH₂PO₄) delivers a unique dual-nutrient profile — 52% P₂O₅ and 34% K₂O — making it the most efficient phosphorus-potassium source available for closed-loop fertigation systems.
Unlike granular phosphates, high-grade MKP (≥99% purity) dissolves completely in water, ensuring zero residue in drip emitters, spray nozzles, and fertigation injectors — critical for preventing costly system blockages.
Strawberries, tomatoes, peppers, cannabis, and specialty herbs are chloride-sensitive. MKP provides phosphorus and potassium without any chloride ions, protecting cell membrane integrity and enhancing fruit quality.
MKP solutions exhibit a mildly acidic pH (~4.5), which naturally acidifies alkaline irrigation water, improving the solubility and bioavailability of calcium, magnesium, and micronutrients in the root zone.
Venturi injectors, dosatron systems, multi-channel EC controllers, and proportional dosing pumps — MKP's low-corrosivity profile ensures compatibility across all major fertigation hardware brands.
By supplying both phosphorus and potassium in one compound, MKP simplifies A-B-C fertigation tank formulations, reducing ingredient count and lowering the risk of precipitation or nutrient antagonism.
Our MKP is specifically formulated and quality-tested for integration into the following greenhouse nutrient delivery architectures:
From seedling nurseries to commercial fruit greenhouses, our MKP delivers precision phosphorus-potassium nutrition at every critical growth stage.
Applied during fruit set and sizing phases via drip fertigation to boost potassium-driven translocation and phosphorus-supported cell expansion for improved Brix and shelf life.
Phosphorus stimulates root development and flower initiation in roses, chrysanthemums, and gerberas, while potassium strengthens stem rigidity and extends post-harvest vase life.
Low-concentration MKP solutions (0.3–0.8 g/L) applied through NFT or DWC systems promote rapid vegetative growth and uniform canopy development in lettuce, basil, and spinach.
Chloride-free MKP is critical for substrate-grown strawberries, where excess chloride causes leaf tip burn. MKP's clean K+ and H₂PO₄⁻ ions support runner development and fruiting body formation.
High phosphorus demand during flowering and early fruit development is met by continuous MKP fertigation, improving fruit set percentage and reducing physiological disorders like blossom end rot.
Dilute MKP solutions applied through overhead misters or capillary mats accelerate root primordia development in propagation trays, shortening the time-to-transplant window by 15–25%.
Acid-loving crops benefit from MKP's natural acidifying properties, making it ideal for lowering substrate pH while delivering optimized phosphorus and potassium nutrition simultaneously.
During the P-K flush phase before flowering, high-purity MKP provides a clean phosphorus-potassium boost without introducing unwanted elements that may affect end-product analytical profiles.
Beyond greenhouse fertigation, our drone-grade MKP 99% is validated across a wide range of open-field crop scenarios via agricultural drone spraying systems.
Wheat & Corn During Grain Filling
Rice Reproductive Stages
Citrus, Grapes & Apples — Flowering & Fruit Setting
Vegetables & Horticultural Crops
Real-world field validation of Monopotassium Phosphate performance in greenhouse fertigation and open-field foliar programs across multiple crop types and geographies.
Six core advantages that make Sichuan Luobu the preferred Monopotassium Phosphate supplier for greenhouse operators, fertigation system integrators, and agri-input distributors globally.
Our Shifang facility features proprietary centrifugal spray-drying towers (patented) and advanced crystallization lines producing MKP with ≥99% purity and ultra-low heavy metal content.
Holding multiple invention patents including eco-friendly fertilizer formulations and novel drying device innovations, our R&D team continuously advances MKP performance for fertigation applications.
ISO 9001 Quality Management System certified. Active council member of the China Agricultural Technology Extension & Service Association and China Phosphate & Compound Fertilizer Industry Association.
With direct access to China's inland logistics network and Chengdu/Chongqing rail-sea connections, we ensure on-time delivery to customers across 60+ countries with flexible MOQ and packaging options.
Need specific particle sizes, solubility profiles, or blended NPK formulations? Our technical team works directly with greenhouse operators and fertigation system designers to develop bespoke solutions.
We go beyond product supply — offering agronomic support, fertigation program design consultation, and co-marketing programs for distributors entering the high-value greenhouse segment.
As a specialized manufacturer of drone-grade MKP and water-soluble fertilizers, we actively participate in industry development as a council member of the China Agricultural Technology Extension and Service Association and the China Phosphate & Compound Fertilizer Industry Association.
Explore our comprehensive range of high-purity, water-soluble phosphate fertilizers — all manufactured to greenhouse fertigation grade standards and available for global export.
Partner with China's leading Monopotassium Phosphate manufacturer. Get technical support, custom formulations, and competitive factory-direct pricing for your greenhouse fertigation or distribution business.
📞 Contact Us: +86 13219891661
