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Dingtong provides comprehensive surface treatment
The automotive industry demands the highest standards of surface treatment to ensure component longevity, safety, and visual appeal under extreme operating conditions. Dingtong Chemical has developed a comprehensive portfolio of surface treatment chemicals specifically engineered for automotive applications, covering the entire production chain from pretreatment to final sealing.
Our pretreatment chemicals prepare metal surfaces for optimal coating adhesion, removing oils, oxides, and contaminants while creating ideal surface conditions for subsequent plating processes. For electroplating applications, we offer advanced copper, nickel, and zinc plating additives that produce uniform, corrosion-resistant deposits meeting automotive OEM specifications. Our passivation chemicals provide additional protection against environmental factors such as road salt, moisture, and temperature cycling.
The sealing solutions in our automotive range enhance the performance and longevity of conversion coatings, ensuring components maintain their integrity throughout the vehicle lifecycle. Dingtong works closely with automotive manufacturers and tier suppliers to develop customized chemical processes that address specific production challenges, improve throughput, and reduce waste. Our commitment to environmental responsibility drives continuous innovation in chrome-free passivation, low-cyanide plating systems, and biodegradable cleaning agents. Every formulation is backed by comprehensive technical support, including bath analysis, process optimization, and troubleshooting services to maintain consistent quality at scale.
Products for Automotive Industry
DT-804
DT-804 is a high-performance trivalent black passivation agent designed for zinc-plated components. It produces a deep, uniform black finish with excellent corrosion resistance and stable processing p...
DT-603
DT-603 is a high-performance industrial degreasing agent designed for metal pretreatment. It effectively removes oils, grease, and contaminants from steel and metal surfaces before plating, painting, ...
DT-701A
DT-701A is a high-performance starter additive formulated for acid zinc plating processes. It rapidly establishes stable bath conditions, enabling consistent zinc deposition from the start of producti...
DT-701B
DT-701B is a high-performance brightener specifically designed for acid zinc plating systems. It produces bright, smooth zinc deposits with excellent leveling properties across a wide current density ...
DT-702A
DT-702A is a high-performance starter additive developed for alkaline zinc plating processes. It rapidly conditions new plating baths, establishing balanced operating parameters for consistent zinc de...
DT-702B
DT-702B is a high-performance brightener formulated for alkaline zinc plating systems. It produces bright, smooth zinc deposits with excellent leveling and throwing power. The product maintains stable...
DT-702C
DT-702C is a professional water conditioner designed for alkaline zinc plating baths. It stabilizes water quality, preventing impurities and maintaining consistent bath chemistry. The product ensures ...
DT-703
DT-703 is a professional defoamer specifically designed for electroplating processes. It effectively controls foam formation in plating baths, preventing overflow and ensuring smooth operation. The pr...
DT-704
DT-704 is a high-performance brightener developed for sulfate zinc plating processes. It produces bright, smooth zinc deposits with excellent leveling properties. The product maintains stable bath per...
DT-705
DT-705 is a professional additive formulated for cyanide zinc plating processes. It enhances bath stability and improves deposit quality, ensuring consistent zinc deposition across complex workpieces....
DT-801
DT-801 is a high-corrosion-resistance trivalent blue passivation agent specifically formulated for alkaline zinc-plated components. It forms a uniform blue conversion coating with excellent corrosion ...
DT-802
DT-802 is a high-corrosion-resistance trivalent blue passivation agent developed for acid zinc-plated components. It forms a uniform blue conversion coating with outstanding corrosion protection and s...
DT-802A
DT-802A is a standard trivalent blue passivation agent designed for zinc-plated components. It forms a uniform blue conversion coating with reliable corrosion protection and stable processing performa...
DT-803
DT-803 is a high-corrosion-resistance trivalent iridescent passivation agent formulated for zinc-plated components. It forms an attractive iridescent conversion coating with excellent corrosion protec...
DT-602
DT-602 is a high-performance leveler developed for bright nickel plating processes. It provides smooth and even deposits across complex workpieces, minimizing surface irregularities and improving over...
DT-805A
DT-805A is a professional hexavalent color passivation agent developed for zinc-plated components. It forms a durable chromate conversion coating with excellent appearance and corrosion protection. Th...
DT-805B
DT-805B is a high-performance hexavalent black passivation agent designed for zinc-plated components. It produces an olive drab chromate conversion coating with reliable corrosion resistance for milit...
DT-805C
DT-805C is a professional sealer designed for hexavalent passivation systems. It produces a colorful iridescent chromate film with excellent corrosion protection and consistent processing. The product...
DT-806A
DT-806A is a high-corrosion-resistance trivalent silver-white passivation agent formulated for zinc-plated components. It produces a bright silver-white trivalent conversion coating with excellent cor...
DT-806B
DT-806B is a professional sealer developed to further improve corrosion resistance after trivalent passivation while maintaining a clean silver-white appearance. It enhances coating durability and pro...
DT-807A
DT-807A is a professional trivalent yellow zinc passivation agent designed for zinc-plated components. It creates a uniform yellow trivalent conversion coating with stable processing performance and e...
DT-807B
DT-807B is a professional protective sealer designed for yellow trivalent passivation systems. It enhances corrosion resistance and coating durability without affecting the yellow finish. The product ...
DT-808
DT-808 is a high-corrosion-resistance passivation agent specifically developed for hot-dip galvanized coatings. It improves corrosion resistance, appearance, and long-term outdoor durability of galvan...
DT-809A
DT-809A is a high-performance trivalent green passivation agent designed for zinc-plated components. It produces an attractive green conversion coating with stable bath performance and reliable corros...
DT-809B
DT-809B is a high-corrosion-resistance trivalent green passivation agent developed for zinc-plated components. It provides a durable decorative green finish with excellent corrosion protection and sta...
DT-809C
DT-809C is a professional trivalent military green sealer designed to enhance corrosion resistance and improve coating durability after passivation. It delivers a uniform finish and reliable long-term...
DT-815A
DT-815A is a professional trivalent black passivation agent specially formulated for alkaline zinc-plated components. It produces a deep black appearance with excellent adhesion and corrosion protecti...
DT-101B
DT-101B is a high-performance brightener formulated for acid copper plating systems. It delivers outstanding brightness with fine crystal structure, producing mirror-like finishes on copper deposits. ...
DT-815C
DT-815C is a professional protective sealer designed for trivalent black passivation systems. It improves corrosion resistance without affecting the black finish, ensuring long-term protection for zin...
DT-815D
DT-815D is a premium post-treatment sealer that significantly enhances corrosion resistance and coating durability for black zinc finishes. It provides excellent salt spray performance and long-term p...
DT-816
DT-816 is a professional trivalent iridescent passivation agent designed for zinc-plated components. It forms an attractive iridescent conversion coating while providing excellent corrosion resistance...
DT-828
DT-828 is a professional nano green passivation agent developed for zinc-plated components. It forms a uniform conversion coating with excellent corrosion resistance and stable production performance....
DT-838
DT-838 is a professional passivation agent specifically designed for hot-dip zinc-aluminum-magnesium coated parts. It provides reliable passivation and long-term corrosion protection for structural ha...
DT-848
DT-848 is a professional black zinc passivation agent designed for zinc-plated components. It produces a deep black conversion coating with excellent appearance and corrosion resistance. The product e...
DT-901
DT-901 is a professional non-discoloration sealer specifically designed for fasteners. It enhances corrosion resistance while maintaining surface appearance, preventing color changes during storage an...
DT-901A
DT-901A is a professional non-discoloration sealer specially formulated for steel pipes and tubular components. It provides excellent sealing performance and long-term protection, preventing discolora...
DT-902
DT-902 is a high-corrosion-resistance sealer designed for zinc passivation systems. It significantly improves salt spray performance and coating durability, providing long-term protection for zinc-pla...
DT-903
DT-903 is a professional water-based sealer that enhances corrosion resistance while supporting environmentally responsible production. It provides excellent protection for zinc-plated components with...
DT-904
DT-904 is a professional high-performance lubricating wax specifically designed for plated components. It reduces friction and improves assembly performance, ensuring smooth operation of threaded part...
DT-905
DT-905 is a professional nano protective sealer that provides enhanced corrosion resistance, water repellency, and long-lasting surface protection for zinc-plated components. It utilizes nano technolo...
DT-101A
DT-101A is a high-performance leveling additive specifically designed for acid copper electroplating processes. It delivers exceptional micro-leveling performance, producing smooth, uniform copper dep...
DT-815B
DT-815B is a high-corrosion-resistance trivalent black passivation agent developed for zinc-plated components. It delivers an enhanced black trivalent conversion coating with outstanding corrosion res...
DT-101C
DT-101C is a professional starter additive designed for initial preparation and replenishment of acid copper plating baths. It rapidly establishes balanced electrolyte composition, enabling immediate ...
DT-201A
DT-201A is a professional starter additive formulated for barrel nickel plating processes. It rapidly conditions new plating baths, establishing balanced operating parameters for bright and uniform ni...
DT-201B
DT-201B is a high-performance brightener specifically designed for barrel nickel plating applications. It produces bright, smooth nickel deposits with excellent leveling properties, ensuring uniform c...
DT-202A
DT-202A is a high-performance starter additive formulated for rack nickel plating processes. It rapidly establishes stable plating bath conditions, promoting uniform nickel deposition across all workp...
DT-202B
DT-202B is a high-efficiency brightener designed for rack nickel plating operations. It produces bright, smooth, and uniform nickel deposits with excellent leveling and appearance. The product maintai...
DT-203
DT-203 is a professional wetting agent specifically designed for nickel plating baths. It effectively reduces surface tension, minimizing pinholes and pitting in nickel deposits. The product ensures u...
DT-501
DT-501 is a high-performance iron phosphating chemical developed for metal pretreatment before painting or powder coating. It forms a uniform phosphate conversion coating that significantly improves p...
DT-501A
DT-501A is a high-performance drawing lubricant formulated to reduce friction and improve surface finish during metal forming operations. It provides excellent lubricity, enabling smooth drawing of st...
DT-502
DT-502 is a high-performance carrier additive designed for acid copper plating systems. It enhances bath stability and supports consistent brightener performance, ensuring uniform copper deposition ac...
DT-502A
DT-502A is a high-performance brightener for acid copper plating that delivers excellent brightness, fine crystal structure, and superior leveling. It produces smooth, mirror-like copper deposits with...
DT-502B
DT-502B is a professional post-treatment sealer designed to improve corrosion resistance after phosphating or conversion coating. It forms a uniform sealing film that enhances long-term protection wit...
DT-601
DT-601 is a professional carrier additive formulated for nickel plating systems. It improves bath stability and deposit consistency, ensuring uniform nickel deposition across all workpiece surfaces. T...
Our products are widely used in various industries, providing excellent surface treatment solutions for different applications.
Dingtong offers specialized surface treatment chemicals for fasteners including screws, bolts, nuts, and washers. Our zinc plating, passivation, and sealing solutions provide excellent corrosion resistance and consistent finish quality for fasteners used in automotive, construction, marine, and industrial applications. We understand the critical role fasteners play in structural integrity and safety, which is why our formulations deliver uniform coating thickness, superior adhesion, and reliable performance across diverse operating environments. Our technical team provides process optimization support to help manufacturers achieve higher throughput and reduced rejection rates.
Dingtong supplies high-quality surface treatment chemicals for industrial hardware products including hinges, handles, locks, brackets, and decorative hardware. Our plating, passivation, and sealing solutions combine excellent corrosion protection with superior aesthetic finishes, meeting the demanding requirements of architectural, furniture, and industrial hardware applications. We provide both functional and decorative coating solutions that enhance product durability while maintaining consistent visual quality across production batches. Our technical team offers customized process development to address specific substrate materials, design complexities, and performance specifications.
Dingtong provides surface treatment solutions for metal stamping parts used in automotive, electronics, and industrial applications. Our pretreatment, plating, and passivation chemicals handle complex stamped geometries with excellent coverage and adhesion. We understand the challenges of treating stamped components with varying thickness profiles, sharp edges, and formed geometries, and our formulations are engineered to deliver uniform coating distribution and reliable corrosion protection. Our technical team provides process optimization to minimize hydrogen embrittlement risk and maintain dimensional tolerances throughout the treatment process.
Dingtong develops specialized surface treatment chemicals for brake tubes and automotive brake system components. Our zinc-iron plating, passivation, and anti-corrosion solutions provide exceptional corrosion resistance and mechanical durability required for brake system safety and reliability. We understand the critical safety requirements of brake components and formulate our chemicals to meet or exceed automotive OEM specifications for salt spray resistance, coating adhesion, and long-term environmental durability. Our technical team provides comprehensive process support to ensure consistent quality and compliance.
Dingtong offers advanced surface treatment solutions for oil pipes and industrial piping systems. Our anti-corrosion chemicals, phosphating products, and rust prevention treatments provide durable protection against harsh operating environments including exposure to hydrocarbons, high temperatures, and aggressive chemicals. We understand the critical requirements of oil and gas infrastructure where coating failure can lead to environmental contamination and safety hazards. Our formulations are engineered to deliver long-term barrier protection, chemical resistance, and mechanical durability for both internal and external pipe surfaces.
Dingtong provides surface treatment chemicals for metal furniture and furniture components including frames, fittings, hardware, and decorative elements. Our electroplating solutions combine excellent corrosion resistance with superior decorative finishes, enabling furniture manufacturers to achieve premium visual quality and long-term durability. We offer comprehensive treatment systems for various metal substrates including steel, aluminum, and zinc diecast components used in modern furniture design. Our technical team supports manufacturers in developing efficient process sequences that deliver consistent finish quality across diverse product ranges.
Dingtong supplies specialized surface treatment chemicals for refrigeration and air conditioning components including condenser coils, evaporators, compressor parts, and piping systems. Our treatments provide essential corrosion protection against condensation, chemical exposure, and thermal cycling while maintaining thermal conductivity and component efficiency. We understand the unique requirements of refrigeration applications where coating integrity directly impacts system performance and energy efficiency. Our formulations are engineered to deliver uniform protection on complex heat exchanger geometries without compromising heat transfer performance.