GLOBAL INDUSTRIAL PARTNER

High-Quality Alkaline Cyanide-free Bright Supplier & Suppliers

Eco-Friendly Electroplating Additives & Performance Chemistry for Sustainable Surface Finishing Solutions

FEATURED PRODUCTS

High-Performance Metal Finishing Solutions

Explore our elite range of alkaline cyanide-free brighteners, trivalent passivations, and nickel/copper electroplating chemical additives.

ZN-318Blue Trivalent Zinc-Nickel Passivation

ZN-318Blue Trivalent Zinc-Nickel Passivation

View Details
8315 Alkaline Cyanide-free Bright Zinc Plating

8315 Alkaline Cyanide-free Bright Zinc Plating

View Details
HITEC EN 6786 A/B/C High Phosphorus Electroless Nickel

HITEC EN 6786 A/B/C High Phosphorus Electroless Nickel

View Details
31685 Rapid Brightening Nickel Plating

31685 Rapid Brightening Nickel Plating

View Details
J0-1 Ultra-Low Phosphorus Electroless Nickel

J0-1 Ultra-Low Phosphorus Electroless Nickel

View Details
216 High Corrosion-resistant Trivalent Zinc Passivation

216 High Corrosion-resistant Trivalent Zinc Passivation

View Details
HITEC EN 6713 Mid Phosphorus Electroless Nickel

HITEC EN 6713 A/B/C Mid Phosphorus Electroless Nickel

View Details
1149 Barrel Bright Nickel Plating

1149 Barrel Bright Nickel Plating

View Details
WHITE PAPER DEEP DIVE

Transitioning to Alkaline Cyanide-Free Bright Plating Systems

Modern surface finishing operations are facing intense regulatory pressures combined with soaring performance requirements. The traditional reliance on cyanide-based plating formulations is rapidly dissolving in favor of eco-responsible, high-integrity chemistry. Alkaline cyanide-free bright electroplating represents the pinnacle of this technological evolution, eliminating high-toxicity materials while delivering exceptional throwing power, ductile deposits, and superior corrosion resistance.

For global enterprises, procuring from a certified developer ensures compliance with environmental benchmarks such as REACH, RoHS, and EPA mandates. Crucially, cyanide-free alkaline plating systems yield coatings with highly uniform thickness across complex geometries, outperforming conventional acid-based processes and lowering the overall total cost of ownership (TCO) in critical industrial sectors.

  • Zero cyanide discharge eliminates high hazard treatments and reduces effluent mitigation costs.
  • Superior thickness uniformity limits excess raw material waste on thread peaks and high-current areas.
  • Exceptional thermal stability and current efficiency minimize system degradation over long bath lifecycles.
Plating Parameter Cyanide-Based Systems Alkaline Cyanide-Free Systems
Toxicity Profile Extremely High (Fatal) Minimal / Fully Treatable
Throwing Power Excellent (85-90%) Outstanding (90-95%)
Thickness Uniformity Moderate Excellent (Symmetric Deposition)
Effluent Treatment Cost Extremely Expensive Standard Precipitation
Corrosion Protection Good Superior (Especially Zn-Ni and Cu)
COMPLIANCE & LOGISTICS

Localized Support & Regulatory Compliance

Providing technical advisory services and local warehousing solutions to ensure seamless integration and localized inventory management across North America, Europe, and Asia-Pacific.

Rigorous Compliance Compliance

Our solutions conform strictly to EPA, REACH, and RoHS frameworks, enabling multinational manufacturers to bypass the supply bottlenecks associated with non-compliant chemical imports.

Localized Warehousing & JIT Delivery

We operate local supply hubs and regional depots, allowing for rapid replenishment. This Just-In-Time delivery infrastructure guarantees production continuity without excessive carrying costs.

On-Site Engineering Advisory

From initial bath conversion audits to active parameter tuning, our global network of application engineers ensures your chemical baths operate at peak technical efficiency.

Hiyie Chemical China Manufacturing Plant
SUPPLY CHAIN DOMINANCE

Harnessing the Chinese Chemical Manufacturing Ecosystem

Operating within the core chemical manufacturing clusters of China gives Suzhou Hiyie Chemical an unparalleled baseline advantage in raw material procurement, processing technology, and scale efficiencies. Our production facilities maintain strategic agreements with foundational chemical suppliers, insulated from regional feedstock disruptions.

By integrating R&D centers in Wuhan and Shanghai with state-of-the-art automated blending systems, we yield highly consistent lot-to-lot batch qualities. This allows us to offer bulk pricing that traditional Western compounders struggle to match, with robust international shipping coordinates utilizing Shanghai and Ningbo ports.

2
R&D Hubs (Wuhan & SH)
99.8%
Lot Consistency Rate
30+
Global Partners
REACH
Compliance Ready
ABOUT SUZHOU HIYIE CHEMICAL

A Professional Manufacturer of Organic Products

SUZHOU HIYIE CHEMICAL CO., LTD has a product portfolio that covers consumer electronics, communication equipment, semiconductor industry, automotive hardware, craft gifts, and more. The company has collaborated with multiple domestic and foreign chemical companies and universities to establish a mobile R&D center dedicated to solving technical challenges in the industry.

Since its establishment, the company has set up R&D institutions in Wuhan and Shanghai. Its marketing network covers the Pearl River Delta, Yangtze River Delta, and Bohai Rim regions. Our products have been widely used and recognized by many well-known domestic and foreign companies such as Foxconn Technology Group, Qinghai Salt Lake Group, Chint Group, Hongbao Group, Stanley Group, Shifeng Group, and others, earning the company a stellar reputation and a wide market.

Global Industrial Footprint

Our strategic engineering assets allow us to formulate, test, and adapt proprietary electroplating processes for various sub-segments. With high-performance options such as zinc-nickel plating, electroless nickel plating, acid copper, and cyanide-free copper plating, we empower global factories to meet performance milestones seamlessly.

Key Supply Segments: Automotive Components Semiconductor Leadframes Consumer Electronics Aerospace Avionics
OUR CORE STRENGTHS

Why Choose Us

Discover how our structural advantages translate to better performance and reduced operational overhead for your manufacturing facility.

Personnel Advantage

Personnel

The company introduces a large number of staff, sales, and technical talents, and is deeply responsible for customers.

R&D Advantage

R & D

The flexible R & D mechanism can satisfy the highest and specific requirements of our global customers.

Technology Advantage

Technology

The most updated formulations with a strict philosophy of environmentally-friendly, green chemistry.

After-sales service

After-sales Service

We have a professional pre-sale, sale, and after-sale team to provide you with high-quality, 24/7 technical support.

APPLICATION DENSITY

Local Application Scenarios & System Selection

Providing engineered finishes designed to withstand challenging environments and meet high automotive and electronics standards.

Automotive Fasteners & Brake Callipers

Leverages our Alkaline Zinc-Nickel Plating and ZN-318Blue Trivalent Passivation systems to deliver over 1,000 hours of Salt Spray Test (SST) protection against red rust, satisfying OEM specifications.

Semiconductor and Leadframes

Our HITEC EN 6786 High Phosphorus Electroless Nickel acts as an ideal barrier layer, providing exceptional solderability, uniform thickness control, and reliable chemical barrier defense.

Sanitary Ware & Consumer Hardware

For brass plating requirements, the 372 Alkaline Cyanide-Free Copper Plating formulation yields an exceptionally bright underlayer, guaranteeing proper adhesion for subsequent decorative chrome processes.

KNOWLEDGE RESOURCE

Industry Q&A: Alkaline Cyanide-free Bright Plating

Technical answers to key chemistry, logistics, and process conversion queries.

What are the chemical components of an Alkaline Cyanide-free Zinc Plating bath?
Alkaline cyanide-free zinc systems rely primarily on zinc oxide (ZnO) dissolved in sodium hydroxide (NaOH). Proprietary complexing organic polymers, brighteners (like our 8315 series additives), and conditioning agents are introduced to control grain structure, ensure bright deposition across LCD/HCD ranges, and prevent crystallization on anode surfaces.
How does Trivalent Zinc-Nickel passivation compare to traditional Hexavalent systems?
Hexavalent chromium (Cr6+) is highly carcinogenic and banned under major global directives. Trivalent passivations (Cr3+) utilize nano-dispersed silica and cobalt/nickel metal salts to rebuild the self-healing protective barrier. Trivalent zinc-nickel systems provide equal or superior thermal-resistant corrosion protection without safety hazards.
What challenges are associated with transitioning from cyanide-based plating baths?
The primary challenge is pretreating substrates thoroughly to remove surface oils. Cyanide baths are highly forgiving due to their self-cleaning, chelating properties. Transitioning to a cyanide-free bath requires installing efficient degreasing stages and updating organic additive monitoring routines to keep bath components in peak balance.
How does high-phosphorus electroless nickel differ from mid-phosphorus?
High-phosphorus coatings (10–12% P content) exhibit an amorphous atomic structure, making them highly resistant to strong acids and pitting corrosion. Mid-phosphorus coatings (6–9% P content) provide higher deposit speeds, greater hardness, and excellent wear resistance, making them well-suited for general wear parts and mechanical components.
LATEST COMPANY UPDATES

Company News

Stay updated with our regional achievements, R&D breakthroughs, and logistical operations.

Feb 17, 2026

The Snake ushers in blessings as we bid the old year farewell; The Horse brings spring as we embark on a new journey.

The Snake ushers in blessings as we bid the old year farewell; The Horse brings spring as we embark on a new journey. The New Year bell rings the prelude to progress as Suzhou Hiyie Chemical gears up for a highly productive new fiscal cycle.

Read Full Article →
INTERACTIVE CATALOGUE

Classified Product Display

Navigate through our specific functional categories to select your required electroplating formulation.

Nickel Plating Additives

FS100 Semi-Bright Nickel Plating

FS100 Semi-Bright Nickel Plating

View Details
1149 Barrel Bright Nickel Plating

1149 Barrel Bright Nickel Plating

View Details
PBN Pearl Nickel

PBN Pearl Nickel

View Details
31685 Rapid Brightening Nickel Plating

31685 Rapid Brightening Nickel Plating

View Details

Electroless Nickel Systems

J0-1 Ultra-Low Phosphorus Electroless Nickel

J0-1 Ultra-Low Phosphorus Electroless Nickel

View Details
HITEC EN 6786 High Phosphorus Electroless Nickel

HITEC EN 6786 A/B/C High Phosphorus Electroless Nickel

View Details
HITEC EN 6713 Mid Phosphorus Electroless Nickel

HITEC EN 6713 A/B/C Mid Phosphorus Electroless Nickel

View Details

Zinc Nickel Alloy & Zinc Plating

6185 Alkaline Zinc-Nickel Plating

6185 Alkaline Zinc-Nickel Plating

View Details
8315 Alkaline Cyanide-free Bright Zinc Plating

8315 Alkaline Cyanide-free Bright Zinc Plating

View Details
FULL CHEMICAL PORTFOLIO

Our Surface Finishing Catalog

Select from our verified chemical compounds, ensuring stable baths and high lot consistency.

PBN Pearl Nickel

PBN Pearl Nickel

View Details
672 High-Speed Bright Acid Copper Plating

672 High-Speed Bright Acid Copper Plating

View Details
Chrome Plating Carrier 105

Chrome Plating Carrier 105

View Details
6185 Alkaline Zinc-Nickel Plating

6185 Alkaline Zinc-Nickel Plating

View Details
372 Alkaline Cyanide-Free Copper Plating

372 Alkaline Cyanide-Free Copper Plating

View Details
FS100 Semi-Bright Nickel Plating

FS100 Semi-Bright Nickel Plating

View Details
ZN-318Blue Trivalent Zinc-Nickel Passivation

ZN-318Blue Trivalent Zinc-Nickel Passivation

View Details
8315 Alkaline Cyanide-free Bright Zinc Plating

8315 Alkaline Cyanide-free Bright Zinc Plating

View Details