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Uni Pigment
Precision and Consistency in Every Color

Stable Hue

Color stability - batch consistent
Mature technology and standardized testing ensure color consistency from batch to batch, suitable for continuous production.

Reliability Performance

Heat and weather resistant - consistent performance
Stable heat and weather resistance under a wide range of processing and use conditions.

Well-Dispersed

Good dispersion - easy to process
Uniform particle structure, easy to be dispersed in a variety of systems, improve processing efficiency and finished product appearance.

About Us

Yancheng Lianhe New Material Technology Co., Ltd.

Is a comprehensive enterprise integrating production, research & development, and sales, specializing in high-end organic pigments. The company is located in Yancheng, Jiangsu Province, along the coast of the Yellow Sea—an area renowned as the "Oriental Wetland" and the "Hometown of Cranes and Deer.” It enjoys strong brand recognition and a solid reputation within the organic pigment industry.
The company's production base, Daqing Jinxiang New Material Technology Co., Ltd., is situated in Hongwei Park within the High-tech Industrial Development Zone of Daqing City, Heilongjiang Province (a national-level industrial park). The facility covers an area of 70,103 square meters, with a Phase I investment of RMB 180 million and a workforce of over 150 employees. It is a specialized manufacturing enterprise with an annual production capacity of 1,600 tons of Pigment Violet 23 (PV23) and other organic pigments.
Our products are widely used in coatings, paints, inks, plastics, leather, and printing pastes. They are exported to Europe, North America, Japan, South Korea, Southeast Asia, India, and Taiwan. With consistent quality and reliable delivery, our products have earned long-term trust and recognition from customers worldwide.

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Year of Establishment
㎡
Production base covers an area of
+
Tons / year PV 23 annual production capacity
+
National and regional product export markets

Products & Services

Specializing in permanent violet organic pigments for inks, coatings and plastics applications

Violet Pigment Series

C.I. Pigment Violet 23 is a high performance organic violet pigment system with excellent color strength, lightfastness and heat resistance. They are available in standard and high performance grades for plastics, coatings, inks and high-end industrial coloring.

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Phthalocyanine Pigment Series

High-performance organic pigment series, covering phthalocyanine blue (PB15:3 / PB15:4) and phthalocyanine green (PG7). With excellent coloring power, light resistance and heat resistance, they are widely used in coatings, plastics, inks and industrial coloring.

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Red A3B (Pigment Red 177)

Red A3B is a highly transparent anthraquinone pigment Red 177.It is a blue-phase red pigment with good heat and solvent resistance. It also exhibits excellent light and weathering resistance.

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Red HF3C (Pigment Red 176)

Red HF3C is a transparent, vivid, blue-phase red pigment with good overall color fastness properties.

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Red 2030 (Pigment Red 254)

Introduced to the market as one of the first representative products of DPP pigments, Red 2030 offers excellent color and fastness properties and has developed in a short time into a widely used pigment in high-end industrial coatings, especially in OEM automotive coatings and automotive refinish paints.

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Orange RLC (Pigment Orange 34)

Orange RLC is a high color strength, semi-transparent, bright reddish phase bisazopyrazolone orange pigment, Orange F2G, with very good overall fastness properties, high color strength, good lightfastness, weatherability and heat resistance.

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Applications

Stable color to cover a wide range of applications

Synthetic Resin

Excellent heat resistance and high coloring powerIt is suitable for coloring PP, PE, PS, ABS and other plastic systems, and can maintain a stable purple hue during injection molding, extrusion and other processing.

Masterbatch

High coloring power and excellent dispersion propertiesIt is suitable for all kinds of plastic color masterbatch production, and can achieve uniform and stable coloring effect in different polymer systems.

EVA

Good dispersion and stable color phaseIt is suitable for coloring EVA foaming materials and elastomer products, and is widely used in the fields of shoe materials and foaming products.

Paint And Ink

Excellent lightfastness and color strengthIt is used in industrial paints and printing ink systems to provide a bright, long-lasting purple color to products.

Textile Pringing

Characterized by bright color and good stabilityIt is suitable for textile printing color paste system, which can be used for fabric printing and decorative pattern printing.

Coatings

Good weatherability and color stabilityIt is used in industrial and decorative coating systems to provide a long-lasting, uniform purple color to the coating.

Water-Based Ink

Good dispersion and color stabilityIt is suitable for environmentally friendly water-based ink systems and can be used in packaging and paper printing.

Solvent Ink

Good solvent resistance and stable color phaseIt is suitable for solvent-based ink systems such as gravure printing and flexographic printing.

Offset Inks

Excellent coloring power and lightfastness propertiesIt is suitable for offset ink systems and can be used for paper and packaging printing, providing stable and vivid purple color performance.

Precision color for every application.

Backed by strong expertise in Pigment Violet 23 (PV23), Lianhe offers consistent and reliable color solutions for coatings, plastics, and inks, empowering high-quality and sustainable production.

Access Program

Manufacturing & Delivery Capabilities

Lianhe(Uni Pigment) ensures stable, scalable, and sustainable supply of organic pigments through a well-controlled manufacturing and delivery system—supporting customers with reliable long-term supply.

Specialized Production Base

Leveraging independent facilities and mature production lines, we ensure efficient, large-scale, and sustainable production of organic pigments.

Focused Product Strategy

With deep-rooted expertise in violet organic pigments, we maintain a clear strategic focus while continuously advancing and refining our production processes.

Controlled Quality System

Standardized processes and testing ensure consistent quality and long-term stability across every batch.

Long-Term Supply Capability

Stable capacity and experienced logistics ensure reliable bulk supply and long-term cooperation.

ESG: Goal-Oriented, Moving Forward

Sustainability is at the core of our business. We integrate Environmental, Social, and Governance (ESG) principles across all operations to drive positive environmental impact, responsible sourcing, and ethical governance.

Our mission is to build a more sustainable future and create long-term value for customers, communities, and future generations.

Environmental

We are committed to reducing environmental impact and advancing sustainable innovation through efficient and responsible manufacturing.

Social

We support inclusive growth, employee well-being, and social responsibility through people-centered practices and corporate initiatives.

Governance

We uphold strong ethics, transparency, and accountability to ensure compliance and maintain stakeholder trust.

Long-Term Reliability

Latest News

Concerned about the industry dynamics - Understanding Lianhe New Material

Looking to the Future: Lianhe Continues to Advance Sustainable Development Path for Permanent Purple Products

Against the backdrop of the increasingly clear trend of sustainable development, Lianhe has continued to focus on the core issues of environmental compliance, resource efficiency and long-term stable supply in the planning of PCV products. By optimizing process routes, improving production efficiency and strengthening compliance management, Lianhe is committed to promoting the development of PV products to meet market demand...

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Application-oriented: Lianhe builds a service system for Yonggu Purple products

Lianhe has always insisted on the parallel development idea of “product + service”. In the promotion process of Yonggu Purple products, we not only provide stable product supply, but also supporting technical support, application suggestions and problem response mechanism. Through the application-oriented service system, Lianhe helps customers to shorten the product introduction cycle, improve the matching ...

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Lianhe Promotes Multi-Industry Collaborative Application of Yonggu Purple Products

In addition to traditional applications, Lianhe is actively expanding the synergistic application of PCV in inks, textiles, packaging printing and specialty industrial materials. Through technical communication and joint testing with downstream customers, we continue to optimize product suitability and application boundaries. This multi-industry synergistic strategy enables PV products to better...

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