Addressing the global challenge of plastic pollution, Nanwang introduces the groundbreaking PHA-coated paper cup. PHA (Polyhydroxyalkanoates) is a natural polyester produced by microorganisms, hailed as the "next-generation biomaterial." Unlike traditional PE plastic or PLA coatings, PHA-coated paper cups can biodegrade not only in industrial composting facilities but also completely in natural environments like oceans and soil, breaking down into water and CO₂ by microorganisms. This offers a fundamental solution to "white pollution" at its source, making it the ideal choice for brands pursuing ultimate sustainability.

• True Marine & Soil Biodegradability: PHA fully biodegrades in various natural environments without creating microplastics, providing a fundamental solution to plastic leakage.

• Excellent Food Safety: PHA itself offers superb biocompatibility; the coating is safe and non-toxic, perfectly suitable for both hot and cold beverages.

• Strong Heat Seal & Leak Resistance: The coating provides excellent sealing, ensuring a sturdy, leak-proof cup for a worry-free user experience.

• Broad End-of-Life Compatibility: Suitable for industrial composting and biodegradable in home composting conditions (depending on specific PHA type/thickness), adapting to future waste management trends.

• Carbon-Negative Environmental Contribution: PHA production often uses renewable resources, helping reduce carbon emissions and supporting brands' carbon neutrality goals.

• Enhanced Brand Value: Using PHA-coated cups is a powerful statement of your brand's commitment to environmental protection, significantly boosting brand image.

• Technological Foresight & R&D Strength: As a drafting unit for the National Standard GB/T 27590-2022 "Paper Cups", Nanwang Tech stays at the forefront of packaging technology. We invest heavily in R&D for novel materials like PHA, ensuring future-proof solutions for our clients.
• Robust Quality & Food Safety System: Our BRC (Grade A+) certification and in-house laboratory ensure strict testing of every batch of PHA material and finished products, guaranteeing product performance and absolute food safety.
• End-to-End Solution from Lab to Market: We provide not just products, but also technical knowledge support and marketing guidance on PHA technology, helping you effectively communicate this eco-choice to your consumers.

Q1: What's the difference between PHA coating and PLA coating?

A: The key difference is the degradation environment. PLA typically requires specific industrial composting conditions (around 58°C). PHA, however, biodegrades in ambient conditions—soil, seawater, even home compost bins—offering a broader, more environmentally friendly solution.

Q2: How does the PHA coating perform regarding water resistance and heat tolerance?

A: Performance is excellent. The PHA coating provides water and grease resistance comparable to traditional PE coatings, safely holding hot beverages above 90°C without leakage or softening during use.

Q3: Are PHA-coated paper cups more expensive?

A: Currently, due to the early stage of PHA raw material production and processes, costs are higher than traditional PE and PLA. However, costs are decreasing with scaling technology and demand. For brands prioritizing premium image and genuine environmental impact, the value PHA adds often outweighs the cost difference.

Fujian Nanwang Environment Protection Scien-tech Co., Ltd. (Stock Code: 301355; Stock Abbreviation: Nanwang Technology), established in 2010, is the first listed company in China’s eco-friendly paper bag industry. Our product portfolio includes eco-friendly paper bags, food-grade paper  packaging, non-woven bags, adhesive labels, and thermal paper receipts. Nanwang has over 400 sets of internationally advanced production equipment and more than 100 sets of inspection and testing instruments.With total assets exceeding USD 350 million.

Nanwang established Fujian Nanwang New Materials Technology Co., Ltd. in 2023 and Anhui Bag King Environmental Protection Technology Co., Ltd. in 2024. Focusing on product application environments and various usage scenarios including distribution and transportation, we have comprehensively expanded our R&D and manufacturing capabilities across thermal receipt paper, label paper, non-woven bags and related products. We are committed to providing full-category packaging material solutions to global customers.

Nanwang has established a comprehensive and effective quality management system, certified to:

ISO 22000:2018 (Food Safety Management)

ISO 9001:2015 (Quality Management)

ISO 14001:2015 (Environmental Management)

ISO 45001 (Occupational Health & Safety)

FSC-COC (Forest Stewardship Council Certification)

BRCGS (British Retail Consortium Certification, Grade A+)

Sedex(Supplier Ethical Data Exchange, 4P)

With a dedicated technical R&D team and annual R&D investment exceeding USD 7 million, we possess 14 industry-leading core technologies, such as automated handle attachment technology and paper bag anti-permeation technology. As of December 2024, the company holds 94 authorized domestic patents (including 11 invention patents), and 5 international patents. Nanwang has established an industry-leading laboratory equipped with comprehensive testing facilities for physical, chemical, and microbiological analysis. This integrated R&D and testing base specializes in performance testing, data analysis, application development, and environmental testing for packaging materials and products, operating under stringent technical standards and a rigorous quality management system.

Nanwang has been successively awarded the titles of National Service-Oriented Manufacturing Demonstration Enterprise, National High-Tech Enterprise, Provincial "Specialized, Sophisticated, Distinctive & Innovative" SME, Top 10 Cultural Enterprises (Fujian), Top 100 Innovative Private Enterprises(Fujian), Quanzhou Quality Award, and has been consistently ranked among "China's Top 100 Packaging and Printing Enterprises" for six consecutive years.

Growing at speed, we actively contribute to industry advancement, including:

l QB/T 4379-2019 Handheld Paper Bags (Industry Standard Drafting Unit)

l GB/T 27590-2022 Paper Cups (National Standard Drafting Unit)

l GB/T 44833-2024 Paper Straws (Including Straw Base Paper) (National Standard Drafting Unit)

l T/CNFIA 201-2020 Food Contact Disposable Paper Straws(Group Standard Drafting Unit)

l T/CTAPI 001-2022 General Requirements for Green Paper Takeaway Packaging Products (Group Standard Drafting Unit)

l T/CNFIA 161-2022 Eco-friendly Coated Paper and Paperboard Materials and Products for Food Contact (Group Standard Drafting Unit))

l T/HBFPIA 017-2023 Eco-friendly Non-woven Takeaway Bags (Group Standard Drafting Unit))

l T/CNFIA 189-2024 Determination of Ex-tractable Organic Fluorine in Paper, Paperboard and Paper Products for Food Contact—On-line Combustion-Ion Chromatography Method (Group Standard Drafting Unit)

l T/CNFIA 190-2024 Determination of Total Organic Fluorine in Paper, Paperboard and Paper Products for Food Contact—Ion Chromatography Method (Group Standard  Drafting Unit)

l T/CNFIA 191-2024Determination of Total Fluorine in Paper, Paperboard and Paper Products for Food Contact—On-line Combustion-Ion Chromatography Method (Group Standard Drafting Unit)

l T/CSTM 01169—2024 Evaluation of Fluorine-free Oil-resistant Plant Fiber-based Materials for Food Contact (Group Standard Drafting Unit)

Since founding, Nanwang has established subsidiaries in Fujian, Shanghai, Guangdong, Anhui, Hebei, Hubei, Canada, and Indonesia, with operations spanning over 200 countries and regions worldwide. Committed to our mission "Greener Packing, Better World", Nanwang is recognized as an industry leader, delivering top-tier products with an outstanding reputation.

"Mastery begins with devotion; excellence stems from focus." Moving forward, Nanwang will continue to align with national industrial priorities, steadfastly pursuing green and sustainable development. With a dynamic and forward-looking approach, we remain committed to our responsibilities and mission—relentlessly striving to achieve our vision of "leading the industry and becoming the most trusted partner for world-class brands," while scaling new peaks of excellence!

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