01Cement & block-bottom valve bags
Our core product, supplied to cement plants. Square block base, filled through the valve on packing machines, stacks neatly on pallets.
Cement valve bags, block-bottom valve bags and BOPP laminated woven bags for cement, dry-mix mortar, tile adhesive, gypsum, fertilizer, feed and chemicals — made in our own woven bag factory.
See the print illustration
01Our core product, supplied to cement plants. Square block base, filled through the valve on packing machines, stacks neatly on pallets.
02Full-colour printed BOPP film laminated on woven fabric for fertilizer, feed and retail-ready presentation.
03Lamination and a PE inner liner protect hygroscopic contents such as mortar and tile adhesive in storage and transport.
04Printed and laminated woven fabric supplied on rolls for your own bag conversion.



Bag size, fabric weight and valve form are confirmed against your product, fill weight and filling machine before production.

Valve bags of this type are used for self-leveling mortar, cement, lightweight plastering gypsum, tile adhesive and other dry powder building materials. Tell us your product and fill weight and we will confirm the bag construction with you.








None of the figures above are fixed specifications. Dimensions, load weight, valve form, lamination, inner liner and moisture protection are all confirmed with you before production.
From PP tape extrusion and circular weaving to printing, laminating and bag conversion, our woven bags are produced in our own factory and shipped on pallets ready for your filling line.




Certificates are available on request.
Print colors and panel layout are not fixed by this illustration. Final artwork, colors and text are confirmed with your project.
Discuss your printed bagCement, dry-mix mortar, tile adhesive, wall putty, gypsum and other powders, as well as fertilizer, feed and chemical granules.
Yes. Block-bottom valve bags have a square base so they stand upright and stack neatly on pallets. Tell us your filling machine and we will confirm the valve form.
Yes. BOPP lamination and a PE inner liner can be combined depending on how hygroscopic your product is and how it is stored and shipped.
Send us the product you fill, fill weight per bag, bag size if known, quantity, print artwork or number of colours, and the destination market.
Send us your packaging requirements. Caltros316@gmail.com
Email your specifications, quantity and destination, or contact us on WeChat.
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