WINIFRED INTERNATIONAL TECHNOLOGY (SHANGHAI) LTD.

Introduction

Winifred International Technology (Shanghai) Ltd. (Chinese: 卫利国际科贸（上海）有限公司) is a Shanghai-based supplier and manufacturer of contamination-control, electrostatic-control, and cleanroom products for advanced manufacturing. The company operates within the plastics industry primarily through the production and distribution of anti-static packaging, cleanroom consumables, contamination-control equipment, and related technical services rather than through polymer production or conventional plastics processing.

The company is associated with the wider Winifred group, which originated in Hong Kong in the early 1980s and expanded into mainland China during the late 1980s and early 1990s. Its activities connect plastics and rubber manufacturing with semiconductor, flat-panel-display, pharmaceutical, biotechnology, medical, and other high-precision production environments. Its role is therefore situated at the interface between materials supply, contamination prevention, packaging, and manufacturing-quality control.

Winifred’s plastics-related significance lies especially in anti-static packaging and cleanroom-compatible products. These products help reduce electrostatic discharge, particle contamination, and microbiological risks that can affect sensitive components, pharmaceutical products, and high-value manufacturing processes. The company also provides distribution, technical advice, audits, testing, installation, calibration, maintenance, and repair services.

History and Development

Winifred’s development has followed the expansion of high-technology manufacturing and controlled-environment production in Greater China.

• The group was established in Hong Kong in 1982, initially serving cleanroom, laboratory, pharmaceutical, and biotechnology requirements.
• During the late 1980s and early 1990s, its business expanded into mainland China, creating a distribution and service platform for contamination-control and electrostatic-control products.
• The Shanghai company subsequently developed into a mainland operating entity focused on domestic trading services, product supply, and the manufacture of anti-static packaging bags.
• The group expanded its regional service network across major industrial centers, including Shanghai, Beijing, Shenzhen, Guangzhou, Suzhou, Wuxi, Tianjin, Chengdu, Nanjing, Ningbo, Xiamen, Dalian, and other locations.

These milestones reflect a shift from product distribution toward a more integrated model combining imported products, local manufacturing, technical support, and after-sales service.

Business Operations and Segments

Winifred International Technology (Shanghai) operates across several related business areas:

• Anti-static products: Goods designed to control electrostatic charge in electronics, semiconductor, pharmaceutical, and industrial environments.
• Contamination-control products: Cleanroom consumables and equipment intended to reduce particles, fibers, residues, and other process contaminants.
• Microbiological contamination control: Products and services supporting contamination monitoring, testing, disinfection, and controlled production.
• Anti-static packaging manufacturing: Production of anti-static packing bags, a plastics-related activity formally included in the company’s certified business scope.
• Shelving and controlled-storage systems: Supply of shelving and related storage solutions for cleanrooms, laboratories, and production facilities.
• Technical and service support: On-site audits, testing, training, environmental-control design, installation, calibration, maintenance, and repair.

This operating model gives the company a role that extends beyond conventional distribution. Customers can obtain products together with advice on selection, deployment, environmental control, and maintenance.

Products and Technologies

Anti-static packaging

Anti-static packaging is a central plastics-related product area. Such packaging may include bags and other polymer-based protective formats used to reduce electrostatic charging during the handling, storage, and transport of sensitive components.

The technical function of anti-static packaging depends on the material structure and intended protection level. Relevant considerations include:

• Surface resistivity and electrical dissipation characteristics.
• Protection against electrostatic discharge and charge accumulation.
• Mechanical strength, puncture resistance, and sealing performance.
• Cleanliness, particle generation, and compatibility with controlled environments.
• Transparency or opacity requirements for inspection and light-sensitive products.
• Compatibility with electronic assemblies, semiconductor components, pharmaceutical materials, and laboratory articles.

The company’s certified scope specifically includes the manufacture of anti-static packing bags, distinguishing this activity from its broader trading and distribution operations.

Cleanroom and contamination-control products

Winifred supplies products used in environments where airborne particles, fibers, chemical residues, and microbial contamination must be controlled. These may include cleanroom consumables, protective garments, cleaning materials, packaging, and contamination-monitoring products.

In high-precision manufacturing, contamination control is connected to yield, reliability, product safety, and regulatory compliance. The required control strategy typically combines facility design, filtration, personnel practices, cleaning procedures, packaging discipline, and environmental monitoring.

Microbiological monitoring and control

The company serves pharmaceutical and biotechnology manufacturers with products associated with microbial contamination prevention and inspection. Its service portfolio includes testing and professional advice for production environments, while its broader product activities include sterilized consumables and disinfection-related products for pharmaceutical facilities.

These applications require attention to sterilization status, packaging integrity, expiry control, traceability, and compatibility with cleanroom procedures. Product selection is consequently determined not only by price or material type but also by the relevant cleanliness classification and process requirements.

Shelving and storage systems

Shelving is included within the company’s certified domestic trading scope. In controlled environments, shelving systems must support orderly material flow while limiting particle accumulation and facilitating cleaning. Materials, surface finish, load capacity, corrosion resistance, and ease of disassembly can influence suitability for cleanrooms, laboratories, and production areas.

Technical services

Winifred’s service activities include:

• On-site audits and testing.
• Cleanroom and environmental-control advice.
• Staff training.
• Installation and commissioning.
• Equipment calibration.
• Routine maintenance.
• Repair services.
• Technical support for products supplied by overseas manufacturers.

These services are important in applications where product performance depends on correct installation, operating procedures, and periodic verification.

Applications and End Markets

The company serves industries in which contamination and electrostatic discharge can cause disproportionate economic or safety consequences.

The company’s customer base therefore spans both plastics-intensive manufacturing and sectors in which plastics are used as packaging, protective materials, consumables, or components of contamination-control systems.

Global Presence and Market Position

Winifred International Technology (Shanghai) is part of a Greater China-oriented operating network linked to Hong Kong and mainland Chinese industrial centers. The group has described a logistics platform involving warehouse hubs and service centers serving major Chinese cities. The Shanghai entity is located in the Pujiang High-Tech Park in Minhang District, Shanghai.

The company’s market position is shaped by specialization rather than by large-scale commodity production. Its competitive value derives from:

• Access to international contamination-control and electrostatic-control brands.
• Local distribution and logistics capabilities.
• Product knowledge in controlled manufacturing environments.
• In-house production of anti-static packaging bags.
• Technical services delivered near customer facilities.
• Experience serving electronics and pharmaceutical manufacturers.

The business operates within a fragmented industrial ecosystem that includes cleanroom-product suppliers, packaging manufacturers, instrumentation companies, facility-engineering contractors, and specialist distributors. Its combination of distribution and service allows it to compete for applications where technical reliability and response time are important purchasing criteria.

Research and Development

The company’s publicly described activities emphasize product supply, technical consulting, testing, installation, calibration, and maintenance rather than a separately reported large-scale research organization. Its technology development is therefore closely associated with application engineering and product adaptation.

Potential areas of technical development within its business scope include:

• Cleaner and lower-particle packaging materials.
• Improved electrostatic-dissipation performance.
• Packaging designs compatible with automated handling.
• Better sealing, durability, and traceability.
• Products suitable for pharmaceutical and biotechnology cleanrooms.
• More efficient contamination-monitoring and environmental-control procedures.

The need for such development is driven by increasingly stringent cleanliness requirements, smaller electronic features, higher pharmaceutical quality expectations, and the expansion of advanced manufacturing in China and other Asian markets.

Sustainability and Environmental Considerations

Winifred’s activities intersect with environmental issues primarily through packaging materials, cleanroom consumables, sterilization, chemical use, and product life cycles.

Anti-static and contamination-control products can reduce manufacturing losses by protecting sensitive components and limiting rejected production. At the same time, many cleanroom and packaging products are single-use or made from polymeric materials, which creates challenges involving waste generation, recycling, material selection, and contamination from mixed or specialized products.

Relevant sustainability considerations include:

• Reducing unnecessary packaging material while preserving electrostatic and contamination protection.
• Improving durability where reusable products are technically appropriate.
• Selecting materials compatible with recycling systems.
• Managing contaminated or sterilized waste in accordance with applicable regulations.
• Extending equipment life through calibration, maintenance, and repair.
• Balancing low-particle performance with environmental and occupational requirements.

For pharmaceutical and semiconductor applications, environmental improvements must be evaluated alongside product safety, cleanliness, static-control performance, and regulatory obligations. Substitution of materials is not always straightforward because changes can affect particle shedding, microbial control, electrical behavior, or process compatibility.

Quality Management and Certifications

Winifred’s certified business scope includes domestic trading services for anti-static products, contamination-control products, and shelving, together with the manufacture of anti-static packing bags. This scope provides a documented framework for its principal product and service activities.

Quality management in these markets commonly depends on:

• Defined product specifications and inspection procedures.
• Control of incoming materials and suppliers.
• Cleanliness and packaging controls.
• Electrical-performance testing for anti-static products.
• Traceability of manufactured and distributed goods.
• Calibration of measuring and testing equipment.
• Documented maintenance and corrective-action procedures.
• Staff training for cleanroom and electrostatic-control practices.

The practical quality of a contamination-control product depends on both its intrinsic properties and the conditions in which it is transported, stored, installed, and used. Distributor expertise and after-sales support are consequently important elements of performance assurance.

Innovations and Future Outlook

Winifred’s future development is closely connected with structural trends in advanced manufacturing:

• Expansion of semiconductor and electronics production in China.
• Increasing demand for cleanroom capacity in pharmaceutical and biotechnology manufacturing.
• Greater use of automated material handling and traceable packaging.
• Tighter control of particles, electrostatic discharge, and microbial contamination.
• Pressure to reduce packaging waste and improve material circularity.
• Growth in demand for local technical support and shorter supply chains.

The company’s hybrid model—combining imported and distributed products, localized anti-static packaging production, and technical services—positions it to address customers that require both specialized materials and operational support. Future competitiveness will depend on maintaining product consistency, adapting to changing cleanliness and sustainability requirements, strengthening supply-chain resilience, and demonstrating measurable performance in customer production environments.

Summary

Winifred International Technology (Shanghai) Ltd. is a Shanghai-based specialist in anti-static products, contamination-control materials, cleanroom supplies, microbiological-control products, shelving, and related technical services. Its plastics-industry role is centered on anti-static packaging and polymer-based protective products used in electronics, semiconductor, pharmaceutical, biotechnology, medical, and other controlled manufacturing environments.

Founded through a Hong Kong-based group established in 1982, the company expanded into mainland China and developed a regional distribution and service network. Its activities combine domestic trading, anti-static packing-bag manufacturing, technical consulting, testing, installation, calibration, maintenance, and repair. Rather than competing as a commodity plastics producer, Winifred occupies a specialized position in the manufacturing-support segment, where plastics, contamination control, electrostatic protection, and process quality converge.

References

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  CPS+ eMarketplace. (n.d.). WINIFRED INTERNATIONAL TECHNOLOGY (SHANGHAI) LTD.WINIFRED INTERNATIONAL TECHNOLOGY (SHANGHAI) LTD.. CPS+ eMarketplace. https://www.chinaplasonline.com/eMarketplace/ExhibitorInfo?CompId=1039456Link