# China Pigment and Coating, Water Treatment, Organic Chemical Manufacturer, Supplier, Factory - Tongge > Tongge is a leading manufacturer and supplier in China, specializing in the production of Pigment and Coating, Water Treatment, Organic Chemical, etc. If you are searching for a factory, please consider us. ## Home - [Home](https://www.tonggeenergy.com/) ## About Us - [About Us](https://www.tonggeenergy.com/about.html) - [Send Inquiry](https://www.tonggeenergy.com/message.html) - [Contact Us](https://www.tonggeenergy.com/contact.html) ## Products - [Products](https://www.tonggeenergy.com/products.html) - [Pigment and Coating](https://www.tonggeenergy.com/pigment-and-coating) - [Water Treatment Agent](https://www.tonggeenergy.com/water-treatment) - [Optical Brighteners](https://www.tonggeenergy.com/optical-brighteners) - [Phosphorus Series](https://www.tonggeenergy.com/phosphorus-series) - [Pharma Grade](https://www.tonggeenergy.com/pharma-grade) - [Food Grade](https://www.tonggeenergy.com/food-grade) - [Organic Chemical](https://www.tonggeenergy.com/organic-chemical) - [Tetrakis-Hydroxymethyl Phosphonium Chloride (THPC)](https://www.tonggeenergy.com/tetrakis-hydroxymethyl-phosphonium-chloride-thpc-.html) - [Calcium Phosphate Tribasic](https://www.tonggeenergy.com/calcium-phosphate-tribasic.html) - [Ammonium dihydrogen phosphate(MAP)](https://www.tonggeenergy.com/ammonium-dihydrogen-phosphate-map-.html) - [Ammonium Polyphosphate(APP)](https://www.tonggeenergy.com/ammonium-polyphosphate-app-.html) - [Ammonium Phosphate (DAP)](https://www.tonggeenergy.com/ammonium-phosphate-dap-.html) - [Sodium Pyrophosphate (TSPP)](https://www.tonggeenergy.com/sodium-pyrophosphate-tspp-.html) - [Sodium pyrophosphate(SAPP )](https://www.tonggeenergy.com/sodium-pyrophosphate-sapp-.html) - [Sodium Phosphate (TSP)](https://www.tonggeenergy.com/sodium-phosphate-tsp-.html) - [Sodium Tripolyphosphate (STPP)](https://www.tonggeenergy.com/sodium-tripolyphosphate-stpp-.html) - [Tetrakis-Hydroxymethyl Phosphonium Sulfate (THPS)](https://www.tonggeenergy.com/tetrakis-hydroxymethyl-phosphonium-sulfate-thps-.html) - [Hypophosphite Acid (HPA)](https://www.tonggeenergy.com/hypophosphite-acid-hpa-.html) - [Optical Brighteners(OB-1)](https://www.tonggeenergy.com/optical-brighteners-ob-1-.html) - [Optical Brighteners(OB)](https://www.tonggeenergy.com/optical-brighteners-ob-.html) - [Optical Brightener FP127](https://www.tonggeenergy.com/optical-brightener-fp127.html) - [Optical Brightener KSN](https://www.tonggeenergy.com/optical-brightener-ksn.html) - [Optical Brightener CBS-X](https://www.tonggeenergy.com/optical-brightener-cbs-x.html) - [Optical Brighteners(BA)](https://www.tonggeenergy.com/optical-brighteners-ba-.html) - [Optical Brighteners(BA-L)](https://www.tonggeenergy.com/optical-brighteners-ba-l-.html) - [Optical Brighteners(CXT)](https://www.tonggeenergy.com/optical-brighteners-cxt-.html) - [Optical Brighteners(BBU)](https://www.tonggeenergy.com/optical-brighteners-bbu-.html) - [sodium dichloroisocyanurate (SDIC)](https://www.tonggeenergy.com/sodium-dichloroisocyanurate-sdic-.html) - [Polymer Ferric Sulphate](https://www.tonggeenergy.com/polymer-ferric-sulphate.html) - [Polyacrylamide](https://www.tonggeenergy.com/polyacrylamide.html) - [HEDP•Na4](https://www.tonggeenergy.com/hedp-na4.html) - [Copolymer of Maleic and Acrylic Acid (MA/AA)](https://www.tonggeenergy.com/copolymer-of-maleic-and-acrylic-acid-ma-aa-.html) - [2-Hydroxy Phosphonoacetic Acid (HPAA)](https://www.tonggeenergy.com/2-hydroxy-phosphonoacetic-acid-hpaa-.html) - [2-Phosphonobutane -1,2,4-Tricarboxylic Acid (PBTC)](https://www.tonggeenergy.com/2-phosphonobutane-1-2-4-tricarboxylic-acid-pbtc-.html) - [Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA)](https://www.tonggeenergy.com/diethylene-triamine-penta-methylene-phosphonic-acid-dtpmpa-.html) - [Ethylene Diamine Tetra (Methylene Phosphonic Acid) EDTMPA (Solid)](https://www.tonggeenergy.com/ethylene-diamine-tetra-methylene-phosphonic-acid-edtmpa-solid-.html) - [1-Hydroxyethylidene-1,1-Diphosphonic Acid (HEDP)](https://www.tonggeenergy.com/1-hydroxyethylidene-1-1-diphosphonic-acid-hedp-.html) - [Amino Trimethylene Phosphonic Acid (ATMP)](https://www.tonggeenergy.com/amino-trimethylene-phosphonic-acid-atmp-.html) - [Solvent Dye](https://www.tonggeenergy.com/solvent-dye.html) - [Trimellitic Anhydride (TMA)](https://www.tonggeenergy.com/trimellitic-anhydride-tma-.html) - [Tetrahydrofuran (THF)](https://www.tonggeenergy.com/tetrahydrofuran-thf-.html) - [Alcohols, C12-14, ethoxylated](https://www.tonggeenergy.com/alcohols-c12-14-ethoxylated.html) - [Naphthalene](https://www.tonggeenergy.com/naphthalene.html) - [Monoethylamine (MEA)](https://www.tonggeenergy.com/monoethylamine-mea-.html) - [Azodicarbonamide](https://www.tonggeenergy.com/azodicarbonamide.html) - [Melamine](https://www.tonggeenergy.com/melamine.html) - [1-Dimethylamino-2-methylbutan-2-ol](https://www.tonggeenergy.com/1-dimethylamino-2-methylbutan-2-ol.html) - [Glutaraldehyde](https://www.tonggeenergy.com/glutaraldehyde.html) - [Furfuryl Alcohol](https://www.tonggeenergy.com/furfuryl-alcohol.html) - [Formic Acid](https://www.tonggeenergy.com/formic-acid.html) - [Dissopropyl ether](https://www.tonggeenergy.com/dissopropyl-ether.html) - [Dipropylene Glycol](https://www.tonggeenergy.com/dipropylene-glycol.html) - [Dimethylaminoethyl Methacrylate(DMAM)](https://www.tonggeenergy.com/dimethylaminoethyl-methacrylate-dmam-.html) - [2-(2-[4-(1,1,3,3-Tetramethylbutyl)phenoxy]ethoxy)ethanol](https://www.tonggeenergy.com/2-2-4-1-1-3-3-tetramethylbutyl-phenoxy-ethoxy-ethanol.html) - [Diethylene Glycol (DEG)](https://www.tonggeenergy.com/diethylene-glycol-deg-.html) - [Diethylamine](https://www.tonggeenergy.com/diethylamine.html) - [Dicyandiamide](https://www.tonggeenergy.com/dicyandiamide.html) - [TetraBromoBisphenol A (2,3-Dibromopropyl)ether](https://www.tonggeenergy.com/tetrabromobisphenol-a-2-3-dibromopropyl-ether.html) - [Cyclohexane](https://www.tonggeenergy.com/cyclohexane.html) - [Calcium Peroxide](https://www.tonggeenergy.com/calcium-peroxide.html) - [Calcium Hypochlorite](https://www.tonggeenergy.com/calcium-hypochlorite.html) - [Butyl Acetate](https://www.tonggeenergy.com/butyl-acetate.html) - [2-Ethylhexanol (2-EH)](https://www.tonggeenergy.com/2-ethylhexanol-2-eh-.html) - [Trehalose](https://www.tonggeenergy.com/trehalose.html) - [Sodium glutamate](https://www.tonggeenergy.com/sodium-glutamate.html) - [Ascorbic Acid](https://www.tonggeenergy.com/ascorbic-acid.html) - [Citric Acid Monohydrate(CAM)](https://www.tonggeenergy.com/citric-acid-monohydrate-cam-.html) - [Citric Acid Anhydrous (CAA)](https://www.tonggeenergy.com/citric-acid-anhydrous-caa-.html) - [Niclosamide](https://www.tonggeenergy.com/niclosamide.html) - [Phosphoric acid(PA)](https://www.tonggeenergy.com/phosphoric-acid-pa-.html) - [Sodium Percarbonate](https://www.tonggeenergy.com/sodium-percarbonate.html) - [Sodium Humate](https://www.tonggeenergy.com/sodium-humate.html) - [Sodium formate](https://www.tonggeenergy.com/sodium-formate.html) - [Soda Feldspar](https://www.tonggeenergy.com/soda-feldspar.html) - [Pthalic Anydride](https://www.tonggeenergy.com/pthalic-anydride.html) - [Potassium Aluminum Sulphate](https://www.tonggeenergy.com/potassium-aluminum-sulphate.html) - [Polyaluminium Chloride (PAC)](https://www.tonggeenergy.com/polyaluminium-chloride-pac-.html) - [Oxalic Acid 99.6%](https://www.tonggeenergy.com/oxalic-acid-99-6-.html) - [Oleic Acid](https://www.tonggeenergy.com/oleic-acid.html) - [N,N'-Methylenebisacrylamide](https://www.tonggeenergy.com/n-n-methylenebisacrylamide.html) - [DICHLOROMETHANE](https://www.tonggeenergy.com/dichloromethane.html) - [Maleic Anhydride (MA)](https://www.tonggeenergy.com/maleic-anhydride-ma-.html) - [Disodium Laureth Sulfosuccinate (MES)](https://www.tonggeenergy.com/disodium-laureth-sulfosuccinate-mes-.html) - [DIOCTYL-TEREPHTHALATE (DOTP)](https://www.tonggeenergy.com/dioctyl-terephthalate-dotp-.html) - [Dioctyl Adipate (DOA)](https://www.tonggeenergy.com/dioctyl-adipate-doa-.html) - [Choline Chloride](https://www.tonggeenergy.com/choline-chloride.html) - [Calcium Cyanamide](https://www.tonggeenergy.com/calcium-cyanamide.html) - [Benzoic Acid](https://www.tonggeenergy.com/benzoic-acid.html) - [Barium Sulphate Precipitated](https://www.tonggeenergy.com/barium-sulphate-precipitated.html) - [Aluminum Hydroxide](https://www.tonggeenergy.com/aluminum-hydroxide.html) - [5,5-Dimethylhydantoin (DMH)](https://www.tonggeenergy.com/5-5-dimethylhydantoin-dmh-.html) - [1,4-dioxane](https://www.tonggeenergy.com/1-4-dioxane.html) - [Dioctyl phthalate (DOP)](https://www.tonggeenergy.com/dioctyl-phthalate-dop-.html) - [DL-Methionine](https://www.tonggeenergy.com/dl-methionine.html) - [Xanthan Gum](https://www.tonggeenergy.com/xanthan-gum.html) - [Potassium Sorbate](https://www.tonggeenergy.com/potassium-sorbate.html) - [Hydroxypropyl Methylcellulose (HPMC)](https://www.tonggeenergy.com/hydroxypropyl-methylcellulose-hpmc-.html) - [Imiquimod](https://www.tonggeenergy.com/imiquimod.html) - [Ethyl Methyl Sulfide](https://www.tonggeenergy.com/ethyl-methyl-sulfide.html) - [Hydroquinone](https://www.tonggeenergy.com/hydroquinone.html) - [Glitter](https://www.tonggeenergy.com/glitter.html) - [Iron Oxide](https://www.tonggeenergy.com/iron-oxide.html) - [2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate (DN-12)](https://www.tonggeenergy.com/2-2-4-trimethyl-1-3-pentanediol-monoisobutyrate-dn-12-.html) - [Vinyltrimethoxysilane](https://www.tonggeenergy.com/vinyltrimethoxysilane.html) - [Ferrocene](https://www.tonggeenergy.com/ferrocene.html) - [Trimethylolpropane Triacrylate (TMPTA)](https://www.tonggeenergy.com/trimethylolpropane-triacrylate-tmpta-.html) - [Triethylene Glycol (TEG)](https://www.tonggeenergy.com/triethylene-glycol-teg-.html) - [Triethylamine(TEA)](https://www.tonggeenergy.com/triethylamine-tea-.html) - [Triclosan, Cas:3380-34-5](https://www.tonggeenergy.com/triclosan-cas-3380-34-5.html) - [Trichloroisocyanuric Acid (TCCA)](https://www.tonggeenergy.com/trichloroisocyanuric-acid-tcca-.html) - [Tetrahydrothiophene（THT)](https://www.tonggeenergy.com/tetrahydrothiophene-tht-.html) - [Span 80 (Sorbitan Monoolate)](https://www.tonggeenergy.com/span-80-sorbitan-monoolate-.html) - [Sorbitol](https://www.tonggeenergy.com/sorbitol.html) - [SODIUM SULFITE](https://www.tonggeenergy.com/sodium-sulfite.html) - [Sodium Persulfate](https://www.tonggeenergy.com/sodium-persulfate.html) - [Sodium Methallyl Sulfonate (SMAS)](https://www.tonggeenergy.com/sodium-methallyl-sulfonate-smas-.html) - [Sodium laureth sulfate (SLES)](https://www.tonggeenergy.com/sodium-laureth-sulfate-sles-.html) - [Sodium Glycolate](https://www.tonggeenergy.com/sodium-glycolate.html) - [Sodium Gluconate](https://www.tonggeenergy.com/sodium-gluconate.html) - [Sodium hydroxymethanesulfinate](https://www.tonggeenergy.com/sodium-hydroxymethanesulfinate.html) - [Sodium Benzoate](https://www.tonggeenergy.com/sodium-benzoate.html) - [Potassium Persulfate](https://www.tonggeenergy.com/potassium-persulfate.html) - [Polyvinyl Alcohol (PVA)](https://www.tonggeenergy.com/polyvinyl-alcohol-pva-.html) - [Polyisobutylene Succinimide (T155)](https://www.tonggeenergy.com/polyisobutylene-succinimide-t155-.html) - [Polyethylene Glycol (PEG)](https://www.tonggeenergy.com/polyethylene-glycol-peg-.html) - [Pentaerythritol](https://www.tonggeenergy.com/pentaerythritol.html) - [Para Toulue Sulphonic Acid (PTSA)](https://www.tonggeenergy.com/para-toulue-sulphonic-acid-ptsa-.html) - [Triphenyl Phosphite(TPPI)](https://www.tonggeenergy.com/triphenyl-phosphite-tppi-.html) - [Ethylene Glycol (MEG)](https://www.tonggeenergy.com/ethylene-glycol-meg-.html) - [Monoethanolamine (MEA)](https://www.tonggeenergy.com/monoethanolamine-mea-.html) - [Propylene Glycol (MPG)](https://www.tonggeenergy.com/propylene-glycol-mpg-.html) - [Diallylmethylamine](https://www.tonggeenergy.com/diallylmethylamine.html) - [Methyl Allyl Polyether ( HPEG)](https://www.tonggeenergy.com/methyl-allyl-polyether-hpeg-.html) - [Linear Alkyl Benzene Sulphonic Acid (LABSA)](https://www.tonggeenergy.com/linear-alkyl-benzene-sulphonic-acid-labsa-.html) - [Itaconic Acid](https://www.tonggeenergy.com/itaconic-acid.html) - [Isopropyl Alcohol (IPA)](https://www.tonggeenergy.com/isopropyl-alcohol-ipa-.html) - [Hydroxyethyl Cellulose (HEC)](https://www.tonggeenergy.com/hydroxyethyl-cellulose-hec-.html) - [Glycolic Acid](https://www.tonggeenergy.com/glycolic-acid.html) - [Glycidyl Methacrylate (GMA)](https://www.tonggeenergy.com/glycidyl-methacrylate-gma-.html) - [Heavy Alkylbenzene(HAB)](https://www.tonggeenergy.com/heavy-alkylbenzene-hab-.html) - [Epichlorohydrin](https://www.tonggeenergy.com/epichlorohydrin.html) - [Dl-Tartaric Acid](https://www.tonggeenergy.com/dl-tartaric-acid.html) - [Disproportionated rosin](https://www.tonggeenergy.com/disproportionated-rosin.html) - [Diallyl Dimethyl Ammonium Chloride(DADMAC)](https://www.tonggeenergy.com/diallyl-dimethyl-ammonium-chloride-dadmac-.html) - [D-Aspartic Acid](https://www.tonggeenergy.com/d-aspartic-acid.html) - [Bisphenol A (BPA)](https://www.tonggeenergy.com/bisphenol-a-bpa-.html) - [Benzyl Benzoate](https://www.tonggeenergy.com/benzyl-benzoate.html) - [Ammonium Persulfate](https://www.tonggeenergy.com/ammonium-persulfate.html) - [Acrylic Acid](https://www.tonggeenergy.com/acrylic-acid.html) - [Acrylamide](https://www.tonggeenergy.com/acrylamide.html) - [2-Phenylphenol (OPP)](https://www.tonggeenergy.com/2-phenylphenol-opp-.html) - [2-Amino-2-Methyl-1-Propanol (AMP-95)](https://www.tonggeenergy.com/2-amino-2-methyl-1-propanol-amp-95-.html) - [2-Acrylamido-2-Methylpropanesulfonic Acid Sodium Salt (AMPSNa)](https://www.tonggeenergy.com/2-acrylamido-2-methylpropanesulfonic-acid-sodium-salt-ampsna-.html) - [2,2-Dimethlol Propionic Acid (DMPA)](https://www.tonggeenergy.com/2-2-dimethlol-propionic-acid-dmpa-.html) - [4-Tert-Butylcatechol (TBC)](https://www.tonggeenergy.com/4-tert-butylcatechol-tbc-.html) - [2-Propanethiol](https://www.tonggeenergy.com/2-propanethiol.html) - [Sodium Hypophosphite(SHPP)](https://www.tonggeenergy.com/sodium-hypophosphite-shpp-.html) - [sodium hexametaphosphate(SHMP)](https://www.tonggeenergy.com/sodium-hexametaphosphate-shmp-.html) - [Optical Brighteners (OBA APC)](https://www.tonggeenergy.com/optical-brighteners-oba-apc-.html) - [Alkyl Ketene Dimer (AKD wax)](https://www.tonggeenergy.com/alkyl-ketene-dimer-akd-wax-.html) - [Diallyldimethylammonium chloride (AKD Emulsifier)](https://www.tonggeenergy.com/diallyldimethylammonium-chloride-akd-emulsifier-.html) - [Ultramarine Blue Pigment](https://www.tonggeenergy.com/ultramarine-blue-pigment.html) - [Phosphorescent Pigment](https://www.tonggeenergy.com/phosphorescent-pigment.html) - [Aluminum Paste](https://www.tonggeenergy.com/aluminum-paste.html) - [Pigment Carbon Black](https://www.tonggeenergy.com/pigment-carbon-black.html) - [Titanium Dioxide](https://www.tonggeenergy.com/titanium-dioxide.html) - [Organic Pigment](https://www.tonggeenergy.com/organic-pigment.html) - [Pearl pigment](https://www.tonggeenergy.com/pearl-pigment.html) ## News - [News](https://www.tonggeenergy.com/news.html) - [Blog](https://www.tonggeenergy.com/news/blog) - [Company News](https://www.tonggeenergy.com/news/company-news) - [Industry News](https://www.tonggeenergy.com/news/industry-news) - [What are the differences between ammonium dihydrogen phosphate and diammonium hydrogen phosphate?](https://www.tonggeenergy.com/news/what-are-the-differences-between-ammonium-dihydrogen-phosphate-and-diammonium-hydrogen-phosphate.html) - [How much do you know about Optical Brighteners? Optical Brighteners Popular Science](https://www.tonggeenergy.com/news/how-much-do-you-know-about-optical-brighteners-optical-brighteners-popular-science.html) - [Asia Pacific Coatings Show 2024 IN INDONESIA](https://www.tonggeenergy.com/news/asia-pacific-coatings-show-2024-in-indonesia.html) - [Optical Brighteners (BA-L)](https://www.tonggeenergy.com/news/optical-brighteners-ba-l--41863.html) - [What are the main uses of trimellitic anhydride?](https://www.tonggeenergy.com/news/what-are-the-main-uses-of-trimellitic-anhydride-.html) - [Production method and production process of trimellitic anhydride, what are the commonly used raw materials?](https://www.tonggeenergy.com/news/production-method-and-production-process-of-trimellitic-anhydride-what-are-the-commonly-used-raw-materials-.html) - [Are there any recommended storage conditions for optical brighteners?](https://www.tonggeenergy.com/news/are-there-any-recommended-storage-conditions-for-optical-brighteners-59674.html) - [Can Optical Brightener CBS-X be used in hand washing?](https://www.tonggeenergy.com/news/can-optical-brightener-cbs-x-be-used-in-hand-washing-28774.html) - [CHINA (UAE) TRADE FAIR 2022](https://www.tonggeenergy.com/news/china-uae-trade-fair-2022.html) - [Asia Pacific Coatings Show 2024 (APCS2024)](https://www.tonggeenergy.com/news/asia-pacific-coatings-show-2024-11-13-september-2024.html) - [What chemicals are used in water treatment?](https://www.tonggeenergy.com/news/what-chemicals-are-used-in-water-treatment-.html) - [CHINA TRADE FAIR VIETNAM 2024](https://www.tonggeenergy.com/news/-pigment-and-coating-p2.html) - [How can Optical Brightener KSN improve the whiteness of paper products?](https://www.tonggeenergy.com/news/how-can-optical-brightener-ksn-improve-the-whiteness-of-paper-products-38524.html) - [What are the categories of dyes?](https://www.tonggeenergy.com/news/what-are-the-categories-of-dyes-.html) - [What kind of equipment is necessary for using Optical Brightener FP127?](https://www.tonggeenergy.com/news/what-kind-of-equipment-is-necessary-for-using-optical-brightener-fp127-94541.html) - [Are Optical Brighteners Safe for Colored Fabrics?](https://www.tonggeenergy.com/news/are-optical-brighteners-safe-for-colored-fabrics-92651.html) - [What are some common uses of organic chemicals?](https://www.tonggeenergy.com/news/organic-chemicals-64692.html) - [Do you have a comprehensive understanding of hydroxyphosphoroacetic acid?](https://www.tonggeenergy.com/news/do-you-have-a-comprehensive-understanding-of-hydroxyphosphoroacetic-acid-.html) - [What are the main application ranges of HPAA?](https://www.tonggeenergy.com/news/what-are-the-main-application-ranges-of-hpaa-.html) - [CHINA (MEXICO) TRADE FAIR 2023](https://www.tonggeenergy.com/news/china-mexico-trade-fair-2023.html) - [9TH CHINA (BRAZIL) TRADE FAIR 2023](https://www.tonggeenergy.com/news/9th-china-brazil-trade-fair-2023.html) - [Shenzhen-Zhongshan link in S China's Guangdong to open to traffic on June 30th 2024](https://www.tonggeenergy.com/news/shenzhen-zhongshan-link-in-s-china-s-guangdong-to-open-to-traffic-on-june-30th-2024.html) - [Why Is Sodium Glutamate Becoming an Essential Ingredient in Modern Food Production](https://www.tonggeenergy.com/news/why-is-sodium-glutamate-becoming-an-essential-ingredient-in-modern-food-production.html) - [How Can Polymer Ferric Sulphate Improve Water Treatment Efficiency and Industrial Applications](https://www.tonggeenergy.com/news/how-can-polymer-ferric-sulphate-improve-water-treatment-efficiency-and-industrial-applications.html) - [Why Is Ammonium Polyphosphate (APP) Becoming a Preferred Flame Retardant Material for Modern Industries](https://www.tonggeenergy.com/news/why-is-ammonium-polyphosphate-app-becoming-a-preferred-flame-retardant-material-for-modern-industries.html) - [Why Is Ammonium Dihydrogen Phosphate (MAP) an Essential Material for Modern Agriculture and Industry](https://www.tonggeenergy.com/news/why-is-ammonium-dihydrogen-phosphate-map-an-essential-material-for-modern-agriculture-and-industry.html) - [Why Is Ammonium Dihydrogen Phosphate (MAP) Considered One of the Most Effective Fertilizers and Industrial Phosphates Today](https://www.tonggeenergy.com/news/why-is-ammonium-dihydrogen-phosphate-map-considered-one-of-the-most-effective-fertilizers-and-industrial-phosphates-today.html) - 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