1. Representative products:
• Phosphating agents: Zinc nitrate (hexahydrate), Manganese nitrate (50% solution)
• Chromated compounds: trivalent chromium (chromium nitrate heptahydrate, chromium sulfate solution, chromium chloride hexahydrate)
2. Subcategory:
• Phosphating series: Surface pretreatment of steel (combined with phosphoric acid), used for rust and corrosion prevention of automotive components and construction steel.
• Chromated coatings: A bright surface treatment for metal surfaces, suitable for applications such as hardware accessories, sanitary ware, and automotive trim components.
3. Core features:
• Phosphating product: purity ≥98%, chloride ion content ≤0.05%, exhibits strong stability when combined with phosphoric acid, and results in uniform phosphating film thickness (5-8μm) on steel surfaces after immersion treatment.
• Trivalent chromium products: Environmentally friendly (compliant with EU RoHS standards), optimized drying process (low-temperature drying ≤120°C), no caking during 3-month storage; domestic market share exceeding 90%, toxicity仅为 hexavalent chromium's 1/1000.
4. target customer ：
• Phosphating-related industries: steel processing distributors, automotive parts manufacturers, and building steel pretreatment enterprises
• Chromated products: Terminal enterprises for metal surface treatment, OEM manufacturers of hardware accessories
