Off-the-shelf rarely fits a real production line. Send us your drawing or spec and we'll engineer the bag around your product, equipment and destination — dimensions, fabric, loops, spouts, liners, printing and static class, including UN and anti-static designs.
Every field below is open to your order. Values shown are the typical range; the exact build is confirmed against your drawing or spec.
| Parameter | Typical range | Note |
|---|---|---|
| Product Name | Custom FIBC Bulk Bag | Engineered to spec |
| Bag Construction | U-panel / Circular / 4-panel / Baffle | Your choice |
| Material | 100% virgin PP | Anti-UV optional |
| Dimensions | Fully customised | Match your equipment |
| SWL | 500–2500 kg | Per design |
| Safety Factor | 5:1 / 6:1 | UN requires ≥6:1 |
| Top Options | Duffle / spout / open | Dust-minimising spout |
| Bottom Options | Flat / discharge spout | Spout for controlled discharge |
| Lifting Loops | 2 / 4 loops; corner / cross | Colour-coded optional |
| Fabric Weight | 90–250 g/m² | Per load & application |
| Coating / Lamination | Optional | For leak control |
| Inner Liner | PE 0.06–0.20 mm | Food-grade / ESD |
| Printing | 1–4 colours | Logo & handling marks |
| Colour | Any | Custom colours available |
| UV Stabilisation | Optional | For outdoor storage |
| Electrostatic Type | A / B / C / D / UN | Per hazard class |
| Stitching | Lock-stitch + filler cord | Dust-proof seam option |
| Packaging | Bale / pallet | Wrapped, clean storage |
| Compliance | ISO 9001 · UN/food/anti-static on request | Per order requirement |
From a one-off special to a recurring production run, we tailor the whole bag to your spec.
U-panel, circular, 4-panel or baffle.
Matched to your filling/discharge line.
Fill opening to your equipment.
Controlled discharge style.
Corner or cross-corner lift.
Thickness and fit per product.
Anti-static or certified DG.
Multicolour print and market docs.
From a one-off special to a recurring production run, we tailor the whole bag: dimensions, fabric weight and coating, loop style and count, top and bottom configuration, liner, printing and static class — including UN and anti-static designs.
Any product or line that does not fit a standard off-the-shelf bag.
Non-standard sizes, loads or fittings.
Bags matched to automated filling.
UN or anti-static custom designs.
A custom bag starts as a technical drawing; the structure below is then translated into panels, loops and fittings.
Selected steps of our woven-PP production. Full factory capability is detailed on the About Us page.
PP tape woven into fabric; tubular or panel.
Optional lamination for leak control.
Cut to spec; logo and handling marks.
Assembly with loops, liner, fittings.
Inspection, clean packing, shipment.
ZONGYE is an integrated FIBC manufacturer in Luannan County, Tangshan, Hebei, China. Producing in-house lets us take a custom design from drawing to bulk run quickly and keep quality consistent across the order.
See factory & capacity
Note: our ISO 9001 / 14001 / 45001 management system covers the factory. Product-specific certifications (UN, Type C/D, food-grade) are confirmed per product and order — we never present a general certificate as proof that every bag passed product testing.
Share product, load, discharge method, destination and any standard.
We confirm fabric, construction and compliance, and flag risks early.
You receive a technical drawing and a pre-production sample for approval.
Production setup and a trial run validate the bag on your line.
ISO-controlled manufacturing with in-process inspection.
Batch test report, customs clearance, booking. FOB Tianjin / CIF / DDP.
500 pcs (standard)
Custom 1,000–2,000 pcs; trial orders special-approved.3–5 working days
Standard sample free (freight collect); custom 7–10 days. Test report on request.15–25 days (standard)
Custom 20–35 days from order confirmation & deposit.FOB Tianjin / CIF / DDP
T/T 30% + 70% before shipment or against B/L copy; L/C at sight with guarantee; Sinosure accepted.Send your spec or just describe the product and line. We'll come back with a design and a quote.
