# BAOWU PAPER

> English paper catalogue and purchasing guides from China Baowu New Materials Co., Ltd., with A4 copy paper and other paper products for wholesale enquiries.

Contact: +86 131 7335 1630; dongzhixing01@163.com. Product specifications, packing, quantities, availability and quotations should be confirmed with the sales desk. Some product listings contain brief information and explicitly state that specifications are pending confirmation.

## Company and enquiries

- [Home](https://baowupaper.com/)
- [About the company](https://baowupaper.com/about-us/)
- [Contact the sales desk](https://baowupaper.com/contact-us/)
- [Paper solutions](https://baowupaper.com/solutions/)
- [Paper information](https://baowupaper.com/discover/)

## Product catalogue

- [A4 copy paper](https://baowupaper.com/product-category/a4-copy-paper/): Published copy paper listings. Check the selected listing and confirm details before ordering.
- [All paper products](https://baowupaper.com/products/)
- [Color Paper Board](https://baowupaper.com/product-category/color-paper-board/)
- [Duplex Board](https://baowupaper.com/product-category/duplex-board/)
- [NCR Paper](https://baowupaper.com/product-category/ncr-paper/)
- [PE Coated Cup Paper](https://baowupaper.com/product-category/pe-coated-cup-paper/)
- [Thermal Paper Roll](https://baowupaper.com/product-category/thermal-paper-roll/)
- [Uncoated Woodfree paper /OffsetPrinting Paper](https://baowupaper.com/product-category/uncoated-woodfree-paper-offsetprinting-paper/)

## A4 paper buying and printing guides

- [Browse the blog](https://baowupaper.com/blog/)
- [What size is A4 copy paper? Dimensions and ordering checks](https://baowupaper.com/a4-paper-size-ordering-checks/index.md): Confirm A4 dimensions, distinguish Letter size, and write a size specification your paper supplier can quote.
- [70gsm vs 75gsm vs 80gsm A4 copy paper: choose by the print job](https://baowupaper.com/a4-copy-paper-gsm-comparison/index.md): Compare three common copy paper weights using device limits, duplex output and calculated sheet mass.
- [Paper brightness vs whiteness: what A4 buyers should compare](https://baowupaper.com/a4-paper-brightness-whiteness-comparison/index.md): Learn why ISO brightness and CIE whiteness are different and build a comparable A4 paper specification.
- [How to choose A4 paper opacity for readable duplex documents](https://baowupaper.com/choose-a4-paper-opacity-duplex/index.md): Build an opacity requirement around the duplex document your readers actually use, not a gsm shortcut.
- [Paper grammage vs thickness: specify A4 copy paper correctly](https://baowupaper.com/a4-paper-grammage-thickness-specification/index.md): Separate gsm from caliper and build a copy paper brief that covers the physical limits of your equipment.
- [Virgin vs recycled A4 copy paper: choose a documented grade](https://baowupaper.com/virgin-recycled-a4-paper-selection/index.md): Choose fibre content with documented claims and an equipment trial, without assuming all recycled sheets behave alike.
- [How A4 paper smoothness affects printing quality and feeding](https://baowupaper.com/a4-paper-smoothness-printing-quality/index.md): Assess paper surface with a printer trial and comparable roughness data instead of choosing by touch alone.
- [How many sheets are in an A4 paper ream? Check the sale unit](https://baowupaper.com/a4-paper-ream-sheet-count/index.md): Understand ream and carton quantities so a paper quotation can be compared by confirmed sheet count.
- [Acid-free vs archival A4 paper: match the retention requirement](https://baowupaper.com/acid-free-archival-a4-paper/index.md): Distinguish an acid-free label from permanent and archival paper requirements using current standards.
- [A4 paper grain direction: check your office printer requirements](https://baowupaper.com/a4-paper-grain-printer-checks/index.md): Distinguish grain long, grain short and feed direction when specifying paper for an office printer.
- [How to request an A4 paper quotation with a clear buying brief](https://baowupaper.com/request-a4-paper-quotation/index.md): Build an A4 paper quotation request that identifies the grade, confirmed packing unit, intended printer and delivery needs before asking for a price.
- [How to compare wholesale paper supplier quotes for A4 orders](https://baowupaper.com/compare-wholesale-paper-quotes/index.md): A comparison scorecard helps you separate grade, quantity, packing and quoted costs so a low price does not conceal an incomplete offer.
- [Reams vs cartons vs pallets of A4 paper: count the sheets first](https://baowupaper.com/reams-cartons-pallets-paper/index.md): Use supplier-confirmed packing counts to turn reams, cartons and pallets into one auditable sheet quantity for ordering and receiving.
- [How to evaluate A4 copy paper samples before a bulk purchase](https://baowupaper.com/evaluate-a4-copy-paper-samples/index.md): Create a repeatable sample trial with a control paper, representative documents and a written acceptance record instead of judging appearance alone.
- [A4 copy paper purchase specification template for buyers](https://baowupaper.com/a4-paper-purchase-specification-template/index.md): Complete a versioned A4 paper specification that separates buyer requirements, supplier confirmations and outstanding approval items.
- [How to plan private label A4 paper packaging before requesting supply](https://baowupaper.com/plan-private-label-paper-packaging/index.md): Prepare a packaging brief that covers product identity, counts, artwork, barcode checks and claims without assuming a supplier offers private labeling.
- [How to choose A4 copy paper for offices with mixed printing needs](https://baowupaper.com/choose-office-a4-copy-paper/index.md): Match your office printer fleet and document tasks to an approved everyday paper, then keep specialty needs separate and test shortlisted grades.
- [Inkjet vs laser A4 paper for office printing: choose compatible media](https://baowupaper.com/inkjet-laser-office-paper-comparison/index.md): Choose paper by the printer process and supported media type, especially before using coated inkjet paper in a laser printer or selecting duplex stock.
- [How to troubleshoot office printer paper jams with A4 copy paper](https://baowupaper.com/troubleshoot-a4-printer-paper-jams/index.md): Use a model-specific jam-clearing procedure and a one-variable comparison to identify loading, paper-condition and printer issues without guessing.
- [How to test A4 paper duplex printing with a repeatable office trial](https://baowupaper.com/test-a4-paper-duplex-printing/index.md): Use a duplex trial record to separate paper compatibility, page orientation, reverse-side readability and handling from a vague two-sided quality claim.
- [How to store A4 copy paper correctly in an office or warehouse](https://baowupaper.com/store-a4-copy-paper-correctly/index.md): A practical storage plan for sealed cartons and opened A4 reams, with a location checklist, condition log and clear decisions for damaged stock.
- [How to inspect incoming copy paper deliveries before putaway](https://baowupaper.com/inspect-incoming-copy-paper-deliveries/index.md): A receiving inspection workflow for delivered A4 cartons, including quantity checks, condition records, batch tracing and a practical release decision.
- [How to rotate office paper inventory without mixing grades](https://baowupaper.com/rotate-office-paper-inventory/index.md): A paper inventory workflow that keeps grades separate, issues usable older stock first and calculates a reorder point from real consumption.
- [How to protect paper cartons during transport and unloading](https://baowupaper.com/protect-paper-cartons-during-transport/index.md): A transport preparation checklist for A4 cartons covering support, moisture exposure, loading evidence and the handoff to receiving staff.
- [How to calculate A4 paper carton weight from grammage and count](https://baowupaper.com/calculate-a4-paper-carton-weight/index.md): Calculate the net mass of A4 sheets and distinguish it from packed gross weight, with a worked carton example and a quotation worksheet.
- [How to calculate paper cost per print for real office jobs](https://baowupaper.com/calculate-paper-cost-per-print/index.md): A cost worksheet separating paper sheets, printed sides, rejected output and cartridge costs, with transparent hypothetical examples.
- [How to verify certified paper supplier claims before buying](https://baowupaper.com/verify-certified-paper-supplier-claims/index.md): A certificate verification worksheet that separates company certification, product coverage and the claim accompanying the actual paper order.
- [How to write an office paper tender with comparable A4 offers](https://baowupaper.com/write-office-paper-tender/index.md): A purchasing worksheet for an A4 paper request that separates mandatory specifications, supporting evidence, delivery terms and quote comparison.
- [How to run an A4 paper print test for text and colour jobs](https://baowupaper.com/run-a4-paper-print-test/index.md): A repeatable office print test for text, line work and colour blocks, with baseline checks, a score sheet and limits on what the result proves.
- [Mixed A4 paper weights for office departments: a practical plan](https://baowupaper.com/mixed-a4-paper-weights-departments/index.md): A departmental paper plan that limits unnecessary grades, checks printer settings and assigns a clear use to each approved A4 stock.

## Optional

- [Full article text](https://baowupaper.com/llms-full.txt): Full text of the published blog guides, including their source links.
- [Website sitemap](https://baowupaper.com/sitemap/)
- [XML sitemap](https://baowupaper.com/sitemap_index.xml)