SHANGHAI XINLIANG PLASTIC PRODUCTS CO., LTD

Introduction

Shanghai Xinliang Plastic Products Co., Ltd. is a Shanghai-based plastics company founded in 2009 that focuses on the development and manufacture of plastic color masterbatches and related functional materials. Its core activity is the production of PE- and PP-based masterbatches*, including **pearl luster masterbatches*, **color masterbatches, and functional masterbatches used to tailor the appearance and performance of plastic products.

The company is headquartered in Fengxian District, Shanghai, where it operates modern production facilities totaling more than 7,000 square meters across four standardized workshops, according to its exhibition and company materials. In the plastics value chain, Xinliang occupies the specialized compounder and colorant segment rather than the downstream molding or packaging segment, supplying materials that enable processors to achieve consistent coloration, surface effects, and selected performance functions in products made by blown film, injection molding, and sheet processing.

Shanghai Xinliang has also positioned itself as a technology-oriented small and medium-sized enterprise in Shanghai’s plastics industry ecosystem. Its listing materials describe it as a high-tech enterprise with independent research and development capabilities, and indicate that it was reorganized into a joint-stock company in 2021 after its original establishment in 2009. Publicly available patent data further suggest that the company has pursued material-development work in polypropylene composite materials, indicating activity beyond standard color matching into engineered polymer formulations.

History and Development

Shanghai Xinliang Plastic Products Co., Ltd. was established on 10 September 2009 as a privately held plastics products enterprise in Shanghai’s Fengxian area. Its early business scope covered plastic products processing and the wholesale and retail of chemical raw materials and products, excluding hazardous chemicals.

A major structural milestone occurred on 10 August 2021, when the company was reorganized into a joint-stock company. This change marked a transition from a private operating structure to a more formalized corporate framework, which is often associated with improved governance, clearer equity structure, and preparation for capital-market or board-market financing pathways.

The company’s listed materials indicate another milestone on 31 December 2021, when it was admitted to the Shanghai Equity Exchange Center’s Science and Technology Innovation Board under the stock short name Xinliang Shares. That listing context suggests an emphasis on innovation, product development, and specialized manufacturing rather than mass commodity production.

Business Operations and Segments

Shanghai Xinliang’s business is concentrated in the production of color masterbatches and functional masterbatches for plastics processing. Within the plastics industry, masterbatches are concentrated additive systems used to impart color, opacity, pearlescence, or functional properties such as UV resistance, anti-static behavior, or process-related performance improvements.

Its operating profile can be summarized as follows:

Core business: R&D and production of PE and PP masterbatches.
Main product families: pearl luster masterbatch, color masterbatch, and functional masterbatch.
Customer value proposition: customized coloring and functional solutions matched to customer specifications.
Process compatibility: materials applicable to blown film, injection molding, and sheet applications.

The company’s role is upstream of finished plastic goods manufacturers. It supplies intermediate materials used by processors seeking consistent visual effects, formulation repeatability, and application-specific performance characteristics in consumer, industrial, and packaging products.

Products and Technologies

Shanghai Xinliang’s product portfolio centers on masterbatch technology, a widely used method in plastics processing in which pigments or additives are pre-dispersed into a carrier resin for easier dosing and better consistency in downstream manufacturing. Its product mix includes:

The company’s disclosed application scope includes PE and PP resin systems, which are among the most common polyolefins in global plastics processing. These materials are widely used because they combine processability, cost efficiency, and adaptability to different end uses.

From a technical standpoint, masterbatch producers must control:

pigment dispersion quality,
color consistency,
carrier resin compatibility,
thermal stability during processing,
and downstream performance in molding or film extrusion.

Public patent information linked to the company points to work on polypropylene composite material and preparation methods involving premixing additives and processing through a twin-screw extruder at controlled temperatures for melt extrusion granulation. While a patent filing does not by itself confirm commercialized production, it indicates engagement with formulation and compounding know-how that is relevant to functional plastics materials.

Applications and End Markets

According to its listing materials, Shanghai Xinliang’s products are used in several plastic-processing formats, especially:

Blown film
Injection molding
Sheet extrusion and sheet products

These processing routes connect the company to a broad set of end markets, including packaging, consumer goods, industrial plastics, and general-purpose molded products. The company’s documentation does not provide a complete end-market breakdown, so the following applications are best understood as inferred from the stated process compatibility rather than as separately reported segments.

Masterbatches of this kind are typically used where processors require:

custom product coloration,
decorative effects such as pearlescence,
or functional enhancements in the finished plastic item.

Global Presence and Market Position

Shanghai Xinliang is primarily a China-based manufacturer with its headquarters and production operations in Shanghai. Its public company materials describe it as serving customized plastic coloring needs rather than operating as a large diversified polymer conglomerate.

Available trade-data references indicate that the company has participated in exports, with reported shipments reaching buyers in markets such as India, Indonesia, Ecuador, and Bangladesh. These records suggest that, while its main industrial base is domestic, it has also engaged in cross-border supply of plastic products or plastic materials.

Within the plastics sector, the company appears to occupy a specialist niche in masterbatch and compounding rather than competing in commodity polymer production or large-scale finished-goods manufacturing. Its market position is therefore better understood in terms of technical specialization, custom formulation capability, and regional manufacturing presence than in terms of scale-based dominance.

Sustainability and Environmental Initiatives

Publicly accessible materials provided in the available results do not describe a detailed sustainability program, emissions inventory, or formal environmental targets for Shanghai Xinliang. As a masterbatch producer, its environmental profile would generally be shaped by material efficiency, additive selection, energy use in compounding, and management of industrial waste, but those factors are not specifically documented in the source set.

The company’s emphasis on customized plastics coloring and functional materials may support material efficiency in downstream manufacturing by reducing trial-and-error formulation and improving processing consistency, but that is an industry inference rather than a directly stated corporate sustainability claim. No independent source in the provided materials confirms specific circular-economy programs, recycled-content targets, or certification regimes.

Financial Performance and Economic Impact

The listing materials provide historical operating figures showing revenue in the range of roughly RMB 22.9 million to RMB 37.9 million across the reported periods, with net profit figures also disclosed in the same filing. These figures indicate a comparatively small but established specialty manufacturer rather than a large-scale petrochemical or packaging conglomerate.

The company’s economic impact is primarily local and industrial: it contributes to Shanghai’s plastics manufacturing cluster through specialized compounding, skilled manufacturing employment, and supply relationships with processors requiring custom-colored plastic inputs. Its presence in the Shanghai market also reflects the city’s broader role as a center for advanced manufacturing and materials-oriented small and medium-sized enterprises.

Leadership and Corporate Governance

The company’s filing identifies Wang Yichao as the legal representative and notes Jiang Hui as the board secretary or disclosure contact. These roles indicate a governance structure consistent with a joint-stock company that maintains formal information disclosure and corporate administration.

The available materials do not provide a complete current board composition, committee structure, or audited governance report. As a result, detailed assessment of corporate governance quality, independence, or executive compensation is not possible from the provided sources.

Innovations and Future Outlook

Shanghai Xinliang’s future prospects are likely tied to several sector trends affecting the masterbatch and compounding industry:

demand for customized color and appearance control in consumer and industrial plastics,
continuing growth in functional additives and performance-enhancing formulations,
increasing interest in polypropylene-based lightweight materials,
and customer pressure for more efficient, repeatable processing in film, molding, and sheet applications.

Its patent activity suggests that the company is not limited to straightforward color blending but is also pursuing formulation know-how in composite materials. If sustained, that type of technical development can help a specialty supplier differentiate itself in a competitive market where product consistency, dispersion quality, and responsiveness to customer specifications are important purchasing criteria.

Summary

Shanghai Xinliang Plastic Products Co., Ltd. is a Shanghai-based specialty plastics manufacturer focused on PE and PP masterbatches for coloration and functional modification. Founded in 2009 and reorganized into a joint-stock company in 2021, it operates in the technical niche between raw polymer supply and downstream plastics processing, serving applications such as blown film, injection molding, and sheet production. Its reported exports, patent activity, and innovation-board listing materials indicate a company with a modest but clearly defined position in China’s plastics manufacturing ecosystem.

References

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CPS+ eMarketplace. (n.d.). SHANGHAI XINLIANG PLASTIC PRODUCTS CO., LTDSHANGHAI XINLIANG PLASTIC PRODUCTS CO., LTD. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1011946Link