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About Us
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- Paper Coffee Cups
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- Ice Cream Bowls
- Paper Soup Containers
Paper Canister
Blog
Contact Us

18602023027
sales@xinnengpack.com

Home
About Us
Paper Cups
Paper Bowls
Blog
Contact Us

Home
About Us
Paper Cups
Paper Bowls
Blog
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Home / Blog

XINNENG Blog

Welcome to XINNENG Blog. As a factory producing paper cups, paper bowls and custom paper packaging, we publish sourcing tips, material knowledge, custom printing guides and export case studies to help global buyers source eco-friendly paper tableware easily.

Paper cup specification sheet template with cups, lids, carton, Pantone guide and caliper

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Paper Cup Specification Sheet Template: 18 Details Buyers Must Confirm Before Requesting a Quote

September 25, 2026

Flexographic versus offset printing for paper cups with printed cups, Pantone guide and printing press

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Flexographic vs Offset Printing for Paper Cups: Pantone Accuracy, Migration Risk and Order Economics

September 25, 2026

Paper cup sample comparison setup with measuring tools, water cups, scale, lids and multiple cup samples

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How to Compare Paper Cup Samples from Three Factories Without Being Misled by Appearance

September 25, 2026

FOB price and landed cost paper cup container loading illustration

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FOB Price vs Landed Cost: How Many Paper Cups Fit in a 20GP or 40HQ Container?

September 24, 2026

PE PLA and aqueous-coated paper cups comparison feature image

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PE, PLA and Aqueous-Coated Paper Cups: A Buyer’s Decision Matrix Based on Use and Disposal Infrastructure

September 24, 2026

BPI and EN 13432 certification scope for compostable paper cups feature image

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What BPI or EN 13432 Certification Does—and Does Not—Prove About a Paper Cup

September 24, 2026

Compostable biodegradable recyclable and plastic-free paper cup claim comparison feature image

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Compostable, Biodegradable, Recyclable or Plastic-Free? Claims Paper Cup Suppliers Must Not Confuse

September 24, 2026

Imported Paper Cups

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FDA Compliance for Imported Paper Cups: What Buyers Should Verify Beyond “Food Grade”

September 24, 2026

Featured image for the EU marking article, with the headline 'Why a Paper Cup May Need the EU "Plastic in Product" Mark Even When It Looks Like Paper', a small leaf divider, and a finished-composition photo of white compostable printed cups, kraft paper cups, and a tipped white cup on a stone surface framed by greenery.

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Why a Paper Cup May Need the EU “Plastic in Product” Mark—Even When It Looks Like Paper

September 24, 2026

Featured image for the EU compliance article, with the headline 'EU Paper Cup Compliance in 2026: PPWR, PFAS Limits and Evidence Importers Should Request', the lede 'Regulation (EU) 2025/40 applies since August 12, 2026 — know your limits and your evidence.', EU and PPWR badges, three labelled callouts for the 25 ppb / 250 ppb / 50 ppm PFAS thresholds and the 100 mg/kg heavy-metal limit, a kraft paper cup with steam, coffee beans, and a 'Verify Before You Import' kraft sign.

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EU Paper Cup Compliance in 2026: PPWR, PFAS Limits and Evidence Importers Should Request

September 14, 2026

Featured image for the odor and taste article, with the headline 'Paper Cup Odor and Taste Complaints: How Board, Ink, Coating, Storage and Shipping Affect Flavor', the lede 'Find the real cause. Serve a better tasting cup.', and three labelled icons for Raw Material and Ink, Manufacturing Process, and Storage and Shipping, alongside a kraft coffee cup with steam, coffee beans, and a 'Better Cups A Cleaner Taste' kraft sign.

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Paper Cup Odor and Taste Complaints: How Board, Ink, Coating, Storage and Shipping Affect Flavor

September 14, 2026

Featured image for the cup-and-lid compatibility article, with the headline 'Cup-and-Lid Compatibility Testing', the subhead 'Retention Force, Sip Leakage and Pop-Off Risk', the lede 'Test the real pairing. Avoid costly complaints.', and three labelled icons for Retention Force, Sip Leakage and Pop-Off Risk, alongside kraft paper cups with colored sip lids in green, blue, orange, red and black.

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Cup-and-Lid Compatibility Testing: Retention Force, Sip Leakage and Pop-Off Risk

September 14, 2026

Featured image for the soft-cup article, with the headline 'Why Paper Cups Become Soft: Beverage Temperature, Holding Time, Board GSM and Coating', the lede 'It's not just the board weight. Four factors really matter.', and four labelled icons for Beverage Temperature, Holding Time, Coating Type and Board GSM, alongside a soft kraft cup with visible moisture soak-through and coffee beans.

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Why Paper Cups Become Soft: Beverage Temperature, Holding Time, Board GSM and Coating

September 14, 2026

Featured image for the 30-minute paper cup leak test article showing a kraft cup, a tipped cup spilling coffee, a takeaway bag, and a leak-test checklist with hot liquid hold, vibration simulation, drop test and extended duration items ticked off.

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The 30-Minute Paper Cup Leak Test Is Not Enough: Testing for Real Café and Delivery Conditions

September 14, 2026

Single-Wall, Double-Wall or Ripple-Wall featured image with cross-section comparison of all three cup constructions and headline.

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Single-Wall, Double-Wall or Ripple-Wall: Which Cup Keeps Hands Comfortable Without Overspending?

September 14, 2026

From Artwork Approval to Container Loading featured image with headline, coffee beans and five printed paper cups displayed on counter.

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From Artwork Approval to Container Loading: A Realistic Custom Paper Cup Production Timeline

September 14, 2026

Factory audit checklist featured image with buyer holding clipboard, sample cups and factory floor in background.

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How to Audit a Paper Cup Factory in China: A Buyer’s 25-Point Checklist

September 14, 2026

Custom paper cup MOQ explained featured image with multiple printed cups and Flexo/Offset/Digital printing stack.

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Custom Paper Cup MOQ Explained: Printing Setup, SKU Fragmentation and the Real Cost of Small Orders

September 14, 2026

Paper cup price breakdown featured image showing lineup of cups with cost analysis.

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Paper Cup Price Breakdown: How Board GSM, Coating Weight, Printing and Carton Density Affect Your Quote

September 14, 2026

Why Two 12 oz Paper Cups Can Have Different Dimensions — four branded paper cups side by side

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Why Two 12 oz Paper Cups Can Have Different Dimensions (and Cause Lid-Fit Failures)

September 14, 2026

Professional Paper Prodcut Supplier in China!

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