Custom-printed recycled PE bags — carriers, mailers and liners — made in our own factory in China since 1999.
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Our advantages

What a buyer actually gets from working with us

Why buyers qualify Zhihongyi 至弘意: film blowing to bag making in one factory since 1999, GRS scope certificate with transaction certificates, in-house custom printing, five product lines on one purchase order.

These are the things a purchasing manager can check, not adjectives. Each one is tied to a document, a photograph of our own plant, or a written answer on your quotation.

1. Own factory, from film to finished bag

Film blowing, printing, bag making and inspection are all on one site in Xiegang Town, Dongguan, with a 6,800 m² production area. When a specification changes mid-programme, the change is walked to the line rather than relayed to a subcontractor — and the film in your bag is the film we extruded.

Polyethylene film web running over rollers on a film blowing line
Film blowing: the web on these rollers becomes the bags on this site.
Bag-making and converting lines with wound film rolls on the Dongguan factory floor
Conversion hall: wound film rolls staged for bag making.

2. Established 1999, exporting on two registered entities

The business was registered in 1999. The Shenzhen entity holds the export contract and issues invoices; the Dongguan entity holds the GRS certificate and makes the product. Both names appear on shipping documents exactly as registered, so your customs broker and your compliance team read the same facts we do.

3. GRS certified recycled content, with a transaction certificate

Scope certificate SGC-GRC05312-GRS-2026-03, issued by SGS-CSTC, valid through 29 March 2027. Post-consumer recycled percentages are stated only against the transaction certificate that applies to your order, which means the number in your tender document is the number a certification body will confirm.

4. Custom logo printing in house

Flexographic and rotogravure printing on film, silk-screen, heat-transfer and lamination print on non-woven fabric. Colour is matched against a physical reference or a named standard and confirmed on a signed proof before production — not argued about after the container sails.

5. Five product lines on one purchase order

Recycled carrier bags and liners, compostable constructions, non-woven promotional bags, made-to-dimension pillow and mattress bags, and anti-static and foil barrier bags. One supplier across all five reduces the number of factories you have to qualify, audit and reconcile.

6. Two granted utility model patents

ZL 2021 2 2644227.8 (certificate no. 16395918, publication CN 216400182 U) and ZL 2021 2 2667651.4 (certificate no. 16602705, publication CN 216612446 U), both granted in 2022. Numbers are published so they can be checked in the public patent register.

7. Specification-first quoting

Send the product type, size, thickness, material, print colours, quantity and target market. You get a quotation against that specification on a named Incoterm, with the certificate documentation attached — not a generic price list that turns out not to apply to your bag.

8. Samples before commitment

A bag has to be handled to be judged. We would rather send you something to abuse than argue about a specification in email. What we send, what it costs and how courier charges are handled is confirmed in writing on request.

9. We say what we cannot certify

We do not describe polyethylene as compostable or biodegradable. We do not publish a certification mark we cannot hand over as a document. We do not state a recycled percentage a transaction certificate cannot support, and where a client's brand appears on this site it appears only as supply history on the partners page, with the trademark credited to its owner. That list is the reason a compliance function finishes an audit of us without surprises.

If your brief asks for a claim we cannot document, we will tell you at enquiry stage rather than quote the bag and fail your inspection.

Get a free quotation

Send the requirement. We will take it from there.

Product type, size, quantity, material, print colours and target market — six fields are enough for a real quotation, and the first reply is either a price or the questions still missing.