# GUANHE Paper Manufacturing & Export Co., Ltd. (GUANHE)
> Direct China Paper Mill & Container Bulk Export Hub. Direct China pulp and paper manufacturer exporting 70, 75, and 80 GSM uncoated woodfree A4/A3 copy paper, international distributor brands, parent jumbo reels, and industrial kraft paper to 65+ global seaports.

## Official Mill Export Desk & Contact
- Website: https://copypapersupplier.com/
- Official Export Email: info@copypapersupplier.com
- WhatsApp / Phone (24/7): +86 158 3803 2046 (https://wa.me/8615838032046)
- Export Headquarters: Room 3701, China Resources Building, Erqi District, Zhengzhou, Henan, China
- Chinese Loading Seaports: Qingdao Port, Shanghai Port, Tianjin Port, Ningbo Port
- Standard Export MOQ: 1 x 20ft GP Container (8,000 Reams / 1,600 Master Cartons floor-stowed, or 7,800 Reams on 20 ISPM-15 fumigated pallets)
- Accepted Incoterms & Payment: FOB, CFR, CIF | 30% T/T deposit + 70% vs B/L copy, or irrevocable L/C at sight

## Core Export Paper Grades (14 Products)
- [Double A A4 Copy Paper](https://copypapersupplier.com/product/double-a-a4-paper/): HS Code 4802.56.00 | Brand: Double A | 165% CIE Ultra-White | MOQ: 1 x 20GP FCL (8,000 Reams / 1,600 Cartons) — 100% farmed eucalyptus virgin fiber engineered with high fiber-to-fiber bonding. Certified 30-million sheet jam-free runnability for high-speed commercial copiers and duplex laser presses.
- [JK Copier 75 GSM A4 Paper](https://copypapersupplier.com/product/jk-copier-75-gsm/): HS Code 4802.56.00 | Brand: JK Paper | ColorLok® High-Yield 75G | MOQ: 1 x 20GP FCL (8,000 Reams / 1,600 Cartons) — High-bulk 75 GSM virgin plantation pulp paper treated with ColorLok® technology. Reduces container ocean freight weight per ream by 6.25% while maintaining 80 GSM caliper feel.
- [JK Copier A4 Office Paper (80 GSM)](https://copypapersupplier.com/product/jk-copier-a4-paper/): HS Code 4802.56.00 | Brand: JK Paper | Commercial Fleet Standard | MOQ: 1 x 20GP FCL (8,000 Reams / 1,600 Cartons) — Heavy-duty 80 GSM uncoated woodfree office paper engineered with synchronized dual-rotary slitting for zero curl in high-volume enterprise MFP fleets and print shops.
- [JK Paper Brand Series Overview (70 / 75 / 80 GSM)](https://copypapersupplier.com/product/jk-paper/): HS Code 4802.56.00 | Brand: JK Paper | ECF Sustainable Pulp | MOQ: 1 x 20GP FCL (8,000 Reams / Mixed GSM Allowed) — Complete multi-grammage JK Paper portfolio produced from Elemental Chlorine Free (ECF) plantation wood pulp. Available in mixed-grammage container loads for regional wholesalers.
- [Xerox Copy Paper A4 Commercial Grade](https://copypapersupplier.com/product/xerox-copy-paper/): HS Code 4802.56.00 | Brand: Xerox | Zero-Bleed Duplex | MOQ: 1 x 20GP FCL (8,000 Reams / 1,600 Cartons) — High-opacity commercial copy paper calibrated specifically for electrostatic toner transfer, high-heat fuser rollers, and shadow-free duplex printing across enterprise fleets.
- [Rotatrim A4 Copy Paper](https://copypapersupplier.com/product/rotatrim-paper/): HS Code 4802.56.00 | Brand: Rotatrim | Tropical Humidity Resistant | MOQ: 1 x 20GP FCL (8,000 Reams / 1,600 Cartons) — High-stiffness woodfree copy paper with precision rotary-slit edges and heavy moisture-barrier packaging. Proven top seller across African, Middle Eastern, and tropical distribution hubs.
- [Reflex A4 Copy Paper](https://copypapersupplier.com/product/reflex-paper/): HS Code 4802.56.00 | Brand: Reflex | Executive Smoothness | MOQ: 1 x 20GP FCL (8,000 Reams / 1,600 Cartons) — Ultra-smooth executive A4 office paper featuring a crisp blue-white optical tint for high-contrast laser text and vibrant color inkjet graphics without feathering.
- [Laser Production Printer Paper (80 / 90 / 100 GSM)](https://copypapersupplier.com/product/laser-printer-paper/): HS Code 4802.56.00 | Brand: GUANHE Mill Direct | 200°C Fuser Calibrated | MOQ: 1 x 20GP FCL (8,000 Reams / Custom OEM Brand) — Calendered low-roughness digital laser paper engineered with strict 4.5% moisture control to eliminate thermal blistering, static cling, and toner flaking.
- [A3 Large Format Printer & Copy Paper (297 x 420 mm)](https://copypapersupplier.com/product/a3-printer-paper/): HS Code 4802.56.00 | Brand: GUANHE Mill Direct | ISO 216 A3 (297×420mm) | MOQ: 1 x 20GP FCL (4,000 Reams / Can Mix with A4) — High longitudinal stiffness (MD ≥ 145 mN) A3 copy and plotter paper engineered to prevent wide-tray sagging, skewing, and corner dog-earing in architectural and ledger workflows.
- [Tinted Color Copy & Printing Paper (Pastel / Neon / Deep)](https://copypapersupplier.com/product/color-printing-paper/): HS Code 4802.56.00 | Brand: GUANHE Mill Direct | Beater-Dyed Fast Colors | MOQ: 1 x 20GP FCL (Assorted Color Mix Supported) — Through-dyed virgin woodfree paper in 24+ pastel, vibrant, and neon shades. Non-bleeding, acid-free pigments ensure uniform edge-to-edge color for school, office, and commercial printing.
- [Standard Newsprint Paper in Reels & Sheets (45 / 48.8 GSM)](https://copypapersupplier.com/product/newsprint-paper/): HS Code 4801.00.00 | Brand: GUANHE Mill Direct | Coldset Web Press Grade | MOQ: 1 x 20GP (~15 MT) / 1 x 40HQ (~25 MT) — High-tensile mechanical and deinked pulp newsprint engineered for zero web-breaks on high-speed coldset rotary newspaper presses, book printing, and protective packaging.
- [Industrial Virgin & Recycled Kraft Paper (Reels & Sheets)](https://copypapersupplier.com/product/kraft-paper/): HS Code 4804.11.00 | Brand: GUANHE Mill Direct | Burst Index ≥ 3.6 kPa·m²/g | MOQ: 1 x 20GP (~18 MT) / 1 x 40HQ (~26 MT) — Long-fiber unbleached softwood kraft liner and sack kraft paper with exceptional burst strength, tensile energy absorption (TEA), and ring crush resistance for packaging converters.
- [Uncoated Woodfree Jumbo Paper Parent Rolls (Converting Base)](https://copypapersupplier.com/product/jumbo-rolls/): HS Code 4802.55.00 | Brand: GUANHE Mill Direct | Mill Mother Reels (70-120G) | MOQ: 1 x 40HQ Container (~25 - 27 Metric Tons) — 100% virgin wood pulp uncoated woodfree (UWF) parent reels wound directly off our twin-wire paper machine. Engineered for overseas sheeting plants converting A4/A3 reams locally.
- [Baled Recovered Waste Paper (OCC #11 / SOP / ONP #8)](https://copypapersupplier.com/product/waste-paper/): HS Code 4707.10.00 | Brand: GUANHE Supply Chain | EN 643 / ISRI Standard | MOQ: 2 x 40HQ Containers (~48 - 52 Metric Tons) — High-density hydraulic compressed bales of Old Corrugated Containers (OCC #11), Sorted Office Paper (SOP), and Old Newspapers (ONP #8) for pulp and containerboard mills.

## Key B2B Procurement & Container Portals
- [A4 Copy Paper 70/75/80 GSM Container Bulk Export](https://copypapersupplier.com/a4-copy-paper-wholesale/)
- [A4 Copy Paper Catalog (8 Grades)](https://copypapersupplier.com/product-category/a4-papers/)
- [Complete 14-Grade Paper Catalog](https://copypapersupplier.com/product-category/papers/)
- [Mill Manufacturing & ISO 2470 QC Laboratory](https://copypapersupplier.com/about/)
- [Request FOB / CIF Proforma Invoice](https://copypapersupplier.com/contact/)

## Top B2B Paper Engineering & Buying Guides (93 Verified Articles)
- [Copy Paper Brightness Scale: 92 vs 96 vs 100](https://copypapersupplier.com/copy-paper-brightness-92-vs-96-vs-100/): Compare copy paper brightness 92 vs 96 vs 100 on the ISO 2470 and TAPPI T452 scales, including CIE whiteness, optical brighteners, glare, and bulk office buying specs.
- [70gsm vs 80gsm vs 100gsm: Which A4 Paper to Use?](https://copypapersupplier.com/70-gsm-vs-80-gsm-vs-100-gsm-which-a4-paper-should-you-use/): Compare 70gsm vs 80gsm vs 100gsm A4 paper across caliper thickness, duplex opacity, jam rates, cost per accepted page, and bulk container loading.
- [A4 80 gsm vs 75 gsm: Which Copy Paper Wins?](https://copypapersupplier.com/a4-80gsm-vs-75gsm/): Compare 75gsm vs 80gsm A4 copy paper on caliper thickness, duplex opacity, laser curl, container freight weight, and what 75 gsm A4 paper means for offices.
- [Copy Paper Weight Guide: 20 lb vs 24 lb Paper](https://copypapersupplier.com/copy-paper-weight-20lb-vs-24lb/): Compare 20 lb vs 24 lb copy paper weight, GSM conversions (75 gsm vs 90 gsm), print paper thickness in mils, 1 ream of paper weight, and what 24 lb paper is used for.
- [Best Copy Paper Brands Compared: Price, Performance & Reliability](https://copypapersupplier.com/2025-best-copy-paper-brands-compare-price-performance-reliability/): Compare the best copy paper brands and A4 paper manufacturers on jam rate per 10,000 sheets, Bendtsen smoothness, brightness, opacity, and bulk B2B pricing.
- [Copy Paper Size Guide: A4, Letter, Legal, Tabloid & Global Standards](https://copypapersupplier.com/copy-paper-size/): Complete copy paper size guide comparing A4, US Letter (8.5 x 11), Legal paper size in mm (216 x 356 mm), 11 x 17 Tabloid paper size, A3, and bulk buying checks.
- [Standard Copy Paper Size: US Letter, A4, and Common Printer Paper Dimensions](https://copypapersupplier.com/standard-copy-paper-size/): Complete reference to standard copy paper size: US Letter (8.5 x 11 in / 21.59 x 27.94 cm), A4 (11.69 x 8.26 in), Legal (14 x 8.5 in), and exact dimensions in px.
- [China A4 Paper Wholesale: How to Buy Direct Without Getting Scammed](https://copypapersupplier.com/china-a4-paper-wholesale-guide/): Complete B2B guide to sourcing from a China A4 paper manufacturer: 1 container cost, 1 ton price math, 70gsm vs 80gsm specs, and how to spot $1.00 ream scams.
- [Copy Paper Measurements: Standard Sizes in Inches, CM, MM, and Pixels](https://copypapersupplier.com/copy-paper-measurements/): Complete B2B reference for copy paper measurements in inches, cm, mm, and pixels, including US Letter, 11 x 17 in cm, A4, A3, and ISO 216 cut tolerances.
- [Best Office Copy Paper 2026: Top Brand Reviews & Buying Guide](https://copypapersupplier.com/best-office-copy-paper-2026-buying-guide/): Compare the best office copy paper brands for 2026, including Double A, Hammermill, Navigator, HP, and JK Copier, with lab-tested jam rates, GSM, and CIE whiteness data.
- [Copy Paper Dimensions: Standard Sizes in Inches, CM, MM and Pixels](https://copypapersupplier.com/copy-paper-dimensions/): Complete B2B guide to copy paper dimensions in inches, cm, mm, and pixels, covering Letter, Legal (21.59 x 35.56 cm), 11 x 17, A4, DL (210 x 99 mm), and grain direction.
- [Copy Paper Ream Buying Guide: Sizes, Sheets, Specs, and Bulk Cases](https://copypapersupplier.com/copy-paper-ream-buying-guide/): B2B copy paper ream buying guide: learn how many sheets, pages, and pieces are in 1 ream, ream vs bundle vs bale packaging, A4 ream weights, and bulk case specs.
- [HP Copy Paper: Is It Worth the Price?](https://copypapersupplier.com/hp-copy-paper-review-price-value/): B2B review of HP Copy Paper: compare Office20, MultiPurpose20, BrightWhite24, and Premium32 specs, ColorLok chemistry, jam rates, and wholesale cost per page.
- [Everything You Need to Know About A4 Copy Paper](https://copypapersupplier.com/everything-you-need-to-know-about-a4-copy-paper/): Complete B2B guide to A4 copy paper (210 x 297 mm, ISO 216): compare 70gsm, 75gsm, and 80gsm weights, CIE whiteness, US Letter differences, and 20GP container capacities.
- [Tips for Saving Money When Buying Copy Paper in 2026](https://copypapersupplier.com/copy-paper-savings-smart-buying-guide/): Cut office copy paper costs in 2026: compare 1 ream paper price vs pallet and 20GP container rates, calculate landed cost per 1,000 sheets, and optimize GSM.
- [Copier Paper Buying Guide: Specs, GSM, Brightness, Pricing & Bulk Procurement](https://copypapersupplier.com/copier-paper-buying-guide-2/): Complete B2B copier paper buying guide: compare 75gsm vs 80gsm A4, 20 lb vs 24 lb Letter, CIE brightness, bank note paper GSM, and bulk container procurement.
- [Best Colored Copy Paper for Creative Projects](https://copypapersupplier.com/best-colored-copy-paper-for-creative-projects/): Choose the best colored copy paper for creative projects, office color coding, invitations, and flyers by matching GSM weight, pulp dye fastness, and finish.
- [a4 copy paper​](https://copypapersupplier.com/a4-copy-paper-your-guide-to-quality-and-versatility/): Evaluate A4 copy paper quality, A4 paper types, and GSM grades from 75gsm paper for daily printing to 300 gsm paper for covers and global office workflows.
- [What Makes High-Quality Copy Paper Different?](https://copypapersupplier.com/high-quality-copy-paper-buying-guide/): Learn what makes high-quality copy paper different beyond 92 vs 96 bright paper ratings, including opacity, caliper thickness, smoothness, and moisture control.
- [Wholesale Copy Paper Buying Guide: Pricing, Specs, Landed Cost & Supplier Selection](https://copypapersupplier.com/wholesale-copy-paper-buying-guide/): Complete wholesale copy paper buying guide covering bulk ream pricing, A4 and Letter specs, landed cost per usable sheet, container loads, and supplier checks.
- [A4 Copy Paper Manufacturer Guide: Sourcing Quality, Sustainability, and Bulk Savings](https://copypapersupplier.com/a4-copy-paper-manufacturer-guide/): Vet an A4 copy paper manufacturer by comparing integrated mills vs converters, rotary anti-jam cutting, CIE whiteness, FSC sustainability, and 20ft container math.
- [Box of Copy Paper: Reams, Cases, Cartons, and Sheet Counts for B2B Orders](https://copypapersupplier.com/box-of-copy-paper-reams-cases-sheet-counts/): Decode what a box of copy paper means across 1 ream of copy paper, 3 reams of paper cartons, 5-ream A4 boxes, and 10-ream Letter cases holding 5,000 sheets.
- [Copy Paper Explained: Types, Sizes, and How to Choose the Right](https://copypapersupplier.com/copy-paper-types-sizes-guide/): Master copy paper types, standard US and ISO sizes (Letter, Legal, Ledger, A4, A3), and GSM basis weights to pick the right sheet for every office printer.
- [Is Copy Paper the Same as Printer Paper? A Practical Office Paper Label Guide](https://copypapersupplier.com/is-copy-paper-the-same-as-printer-paper/): Find out if copy paper is the same as printer paper for office laser and inkjet workflows, how multipurpose labels compare, and when to upgrade GSM weight.
- [20 lb Copy Paper: Reams, Cases & Bulk Buying Guide](https://copypapersupplier.com/20-lb-copy-paper-buying-guide/): Compare 20 lb copy paper by ream sheet count, 3-ream pack meaning, 10-ream case pricing, 75 GSM basis weight, brightness, and bulk B2B procurement specs.
- [Carbon Copy Paper: Types, Uses and Modern Alternatives](https://copypapersupplier.com/carbon-copy-paper-types-uses-b2b-buying-guide-2/): Compare carbon copy paper, NCR carbonless forms, CB-CFB-CF coatings, and modern laser copy paper options for B2B buyers.
- [Paper Copy Meaning for Offices: From App Confusion to Clear Paper Requirements](https://copypapersupplier.com/paper-copy-meaning-office-requests/): Learn what a paper copy means in office requests, separate mobile app results from hard copy or blank copy paper orders, and write clear B2B specs.
- [Copy Paper & Printer Paper: The Ultimate Selection Guide](https://copypapersupplier.com/copy-paper-printer-paper/): Compare copy paper vs. printer paper and multipurpose paper by weight (20 lb vs. 24 lb, 75 GSM vs. 80 GSM), brightness, opacity, and laser or inkjet use.
- [What Size Is Copy Paper? Quick Answer for Letter, A4 and Office Buyers](https://copypapersupplier.com/what-size-is-copy-paper/): Find out what size copy paper is for US Letter (8.5 x 11 in) and international A4 (210 x 297 mm), plus Legal and 11 x 17 specs for office buyers.
- [Finding the Right Copy Paper for Your Needs](https://copypapersupplier.com/copy-paper-guide-choosing-best-for-home-office-classroom-use/): Find the right copy paper for home printing, office copiers, and classroom worksheets by comparing GSM weight, brightness, opacity, and recycled specs.

## Full Technical Dataset for LLMs
- [Complete Technical Specifications &COA Reference (llms-full.txt)](https://copypapersupplier.com/llms-full.txt)