September 11, 2026
Polypropylene grain bags support soy, corn, seed and feed packaging across South America. Learn how to choose bag size, GSM, liners, printing and FIBC formats.
Sitong Packaging Group is a 28-year PP woven bags and FIBC/ton bag manufacturer supplying 5–200kg woven bags and 500–3000kg jumbo bags to agriculture, food, construction, chemical and mining markets worldwide.
From lightweight 5kg sacks to 3-tonne FIBCs, plus the fabric, webbing and thread that build them.
Valve, open-mouth, gusseted and laminated sacks for 5–200kg loads.
View PP woven bags →
U-panel, circular & 4-panel bulk bags for 500–3000kg.
View FIBC / Jumbo Bags →
Flat & tubular woven fabric rolls for converters and bag makers.
View PP fabric →
High-strength woven webbing and tape for lifting and strapping.
View webbing & tape →
Sewing thread for woven bags, FIBCs and industrial textiles.
View thread →
Private-label production, custom print and bespoke engineering.
View OEM / custom →
Explore bags engineered for the exact demands of your industry — from moisture-proof grain sacks to anti-static chemical FIBCs.
Grain · seed · potato
Sand · cement · aggregate
Flour · sugar · salt
Animal feed · pet · fertilizer
Powders · resins · anti-static
Ore · mineral powder · aggregate
Reusable · branded · handles
See full catalogue →
Five internationally recognized certifications back every production line — from raw tape to finished FIBC.
BRCGS
Food safety certified
ISO 9001
Quality management
ISO 14001
Environmental management
OHSMS
Occupational health & safety
Vertically integrated production from tape extrusion to finished bags, with stable capacity and consistent quality.
BRC-certified food-grade line, in-house testing lab, FIBC safety factor 5:1/6:1 and Type A–D options.
Width, GSM, denier, color, liner, coating, UV and multi-color gravure/offset print built to your spec.
Private-label and bespoke engineering with confidential NDA support for distributors and brands.
Exported across 6 continents under FOB, CIF, CFR and EXW terms, with 20–40 day typical lead time.
English, Spanish, French, Arabic and Chinese support with fast quotation and sample turnaround.
Want the full manufacturing picture? Explore how SITONG builds each line in-house
From South American farms to African mines and Asian factories — Sitong bags move commodities worldwide.
South America
Venezuela · Colombia · Ecuador · Peru · Brazil · Bolivia · Chile
North America
Guatemala · Mexico · Central America
Africa
West Africa · East Africa · North Africa · South Africa · Central Africa
Asia
SE Asia · Middle East · Central Asia
Europe
Eastern & Western Europe
Oceania
Australia · New Zealand · Pacific
Polypropylene grain bags support soy, corn, seed and feed packaging across South America. Learn how to choose bag size, GSM, liners, printing and FIBC formats.
A buyer’s guide to tubular PP woven fabric: applications across FIBC, agriculture, chemical and geotextile, the variants, and the RFQ specs that set cost and performance.
A view of the PP webbing market and its FIBC lifting-loop link: regional demand, PP versus polyester trade-offs, SKU-level safety-factor verification and buyer specifications.
A guide to recyclable mono-material PP woven bags, covering PP structure, PCR content, lightweighting, PPWR requirements and buyer specifications.
We manufacture PP woven bags (5–200kg), FIBC/ton bags (500–3000kg), PP woven fabric, PP webbing, PP thread— all from 100% virgin polypropylene.
MOQ depends on bag type and customization. Standard PP woven bags typically start from a few thousand pieces; FIBC orders are discussed per specification. Contact us with your requirement for an exact MOQ.
Yes. We offer custom widths (26–145cm for woven bags, 100–240cm for FIBC), GSM, colors, multi-color gravure/offset printing, liners, coatings and UV treatment.
Our food-grade PP woven bags are produced under BRC-certified conditions with optional liners and hygienic, moisture-proof construction.
Typical delivery is 20–40 days after confirmation. We ship worldwide under FOB, CIF, CFR and EXW terms.
Yes, we can supply standard samples and custom prototypes so you can verify material, print and construction before bulk production.
We will contact you within 1 working day, please pay attention to the email with the suffix “@hcstgroup.com“.