| Paper Types | Virgin food-grade brown kraft paper / Virgin food-grade white kraft paper |
| Paper Weight | 35 - 60 g/m² |
| Surface Handling | Flexo Printing |
| Printing Colors | Up to 7 colors |
| Size Ranges | Width: 60-500 mm (2.36"-19.69") Height: 75-410 mm (2.95"-16.14") Gusset: 30-140 mm (1.18"-5.51") |

Eco-Friendly Material: Made from recyclable virgin food-grade brown or white kraft paper.
Food Safety Guaranteed: Printed with non-toxic, water-based inks, making them completely safe for direct food contact.
Customizable Printing: High-quality printing available in up to 7 colors to make your brand stand out.
Functional Innovation: Optional perforation and gusset for enhanced usability and capacity.
40/50 GSM Food-Grade White Kraft Paper (grease-proof, one side coated)
40/50 GSM Food-Grade Brown Kraft Paper (grease-proof, one side coated)
Fujian Nanwang Environment Protection Scien-tech Co., Ltd. is not just a supplier; we are a strategic partner in your sustainability journey. As the first listed company in China's eco-friendly paper bag industry, we bring unparalleled expertise and scale.
Our Commitment to Excellence:
Global Certifications: Our products are backed by a robust quality management system, certified to ISO 9001, ISO 22000 (Food Safety), BRCGS (Grade A+), FSC, Sedex, and more.
Advanced R&D: With annual R&D investment exceeding USD 7 million and over 94 authorized patents, we pioneer core technologies like automated production and anti-permeation treatments.
Industry Leadership: We are an active drafting unit for national and industry standards (e.g., QB/T 4379-2019 Handheld Paper Bags, GB/T 27590-2022 Paper Cups), shaping the future of sustainable packaging.
Global Footprint: With subsidiaries from North America to Southeast Asia and operations in over 200 countries, we are equipped to serve global brands seamlessly.



Our pinch bottom bags are perfect for:
Bakeries & Patisseries: Croissants, bread, muffins, and cookies.
Fast-Casual Restaurants: Wraps, sandwiches, and fries.
Cafes: Pastries, bagels, and on-the-go snacks.
Food Trucks & Takeaway Services.
Ready to upgrade your packaging? Contact our team to discuss your custom requirements for sizes, paper weight, and branding.
Let's build a greener, more efficient future for packaging, together.
Fujian Nanwang Environment Protection Scien-tech Co., Ltd.
Mission: "Greener Packing, Better World."
Q1: Are these pinch bottom bags grease-resistant?
A: Yes, our standard recommended food-grade kraft papers are coated on one side to provide excellent grease-proof performance, ideal for oily or moist baked goods.
Q2: Can I print my full-color logo on these bags?
A: Absolutely. We offer high-definition printing in up to 7 colors, allowing for vibrant and accurate brand representation.
Q3: What is the benefit of the perforation?
A: The perforation creates an easy-open feature, improving customer convenience and experience by allowing them to cleanly tear the top of the bag to access the food inside.
Q4: Are your materials FSC certified?
A: Yes, Nanwang holds FSC-COC certification, ensuring that the paper comes from responsibly managed forests.
Q5: Are you trading company or manufacture ?
A: We are a direct factory, not a trading company. Our facility is equipped with advanced automated production lines for paper goods, and we welcome client audits.
Q6: How long is your delivery time?
A: Our standard production lead time is 20-35 days. Final delivery time depends on your destination port and available shipping schedules, which we will confirm upon order placement.