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| Customization: | Available |
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| Material: | PP |
| Closure Type: | Self-sealing |
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Block bottom bags are special-purpose bags. As a leading bottom bag manufacturer, Boda Packing has eight high-speed speed fully automated Ad-Star/Block bottom bags making machines from Starlinger, Austria. These bags are produced in different sizes and can be open-mouth as well as with a valve. Block bottom valve bags are used in the flour and cement industries. The valve helps with easy filling through the Nozzles. Ad-Star bags are now making their way into the rice packaging industry as well. These can also be made in different styles, i.e., Circular or Back seam. PE or Paper liners inside these bags can also be provided.

| Name | China Factory Industrial block bottom plastic valve bag |
| Raw Materials | 100% New polypropylene PP granules |
| Raffia Fabric | Strong , 8X8 mesh, 10X10 mesh, white, yellow, green, transparent, fabric color as customized |
| Moistureproof | Laminated PE or PP, inside or outside (14gsm-30gsm) |
| Printing | Flexible logo , offset design gravure printing bright OPP film or matt film could be chosen |
| One side or both sides | |
| non-slip Adhesive | |
| Fabric Width | More than 30cm , less than 100cm |
| Fabric Length | no limit |
| Denier | 450D to 2000D |
| Weights/m² | 55gsm To 110gsm |
| Fabric Surface | glossy/matt lamination, anti-UV coating, antiskid, breathable, Anti-slip or flat plain etc.. |
| Bag Top | Cut, circular welding hemmed, with filling valve |
| Bag Bottom | Hot air welding, no sewing, no stitching hole |
| Liner | Kraft paper inside , inner attachment or welding plastic PE plastic bag , customized |
| Bag type | Tubular bag or back middle seamed bags |
| Gusset depth | 3-15 cm |
| Application | Packing for Rice/ Wheat/ Flour/ Salt/ Sugar/ Seeds/ dog cat animal Feeds/ Cement/ Sand/ agricultures/ vegetables Fertilizer/ stones/ food/ cereal , etc.. |
Packing / transporting / storage
1. Food Area: sugar, salt, flour, starch,maize flour, , maize flour, nuts,food additives.
2. Agriculture Area: grains, rice, wheat, corn, seeds, flour, coffee Beans, soybeans,potato,radishes, vegetables, fruits, etc.
3. Feed: pet food, pet litter, bird seed, grass seed, animal feed( dog cat etc ).
4. Chemicals: fertilizer, chemical materials, plastic resin, pharmaceutical chemical raw materials, medicines materials, etc..
5. Construction material: sand, cement,cement, concrete, lime, gypsum, powder, etc.
Shijiazhuang Boda Plastic Chemical Co., Ltd.
Established in 2001, it is a professional manufacturer engaged in research, development, BOPP laminated bags, block bottom valve bags, pp big bags, and PP woven fabric rolls. Our products are widely used for cement, fertilizers, flour, rice, sugar, salt, nutrition, grass seeds, cereal, grain, animal pet dog poultry stock feed, coffee beans, chemicals, plastic resins, and construction materials.
In recent years, our company has introduced a series of advanced equipment, including Ad. Starlinger extruders, circular looms,Ad. Starlinger laminating and back sealing machines, Ad starlinger block bottom valve bag machine. In addition, we have obtained an ISO9001 certificate.




1. Factory production, factory export.
2. Engaged in this industry since 1983, with more than 39 years of experience.
3. Top-grade equipment, foreign equipment has been introduced since 2009 to ensure higher quality and reduce the overall cost for customers.
4. Occupied a total of 160,000m2 of production area and can ensure an annual output of more than 500Million bags.
5. Professional design team, well-cooperated cylinder workshop, with sufficient experience in handling more than 6,000 kinds of bags, to meet the unique needs of customers.
6. Good reputation, we aim at long and stable relationships with our valuable customers.


For automatic filing machines , the bags must keep To be smooth and unfolded , so We have the following packing term , please check according To your filling machines .
1) Bales : 20'FCL load about 11 tons 40'HQ load about 26tons
2) pallets : 20'FCL load 20 pallets about 9 tons 40'HQ load 60 pallets about 22 tons
3) Packing term as customized,such as cases , planks ,etc.
Because this bags have no strictly plat requirement , so I suggest you should choose the economical bales packing term To decrease your cost .
Q1:Are you factory or trading company?
A: Our first factory was founded in 2001. Our boss and main leaders have more than 30 years producing experience. We supply all kind customized pp woven bag all over the world, as one of largest rice bags/cement bag company in China.
Our factory comprise of :
Six Starlinger auto bag making machines(Starlinger Ad StarKONX+120)
Five Highspeed Tapelines
More Than Three Hundred Loom machines
Three Lamination machines
Nine Printing machines
Q2:What kinds of product can you provide?
A:Our main products are block bottom valve bags and Ordinary PP woven bag. We are professional manufacturer for cement bag, BOPP laminated rice bags, animal feed bags, fertilizer bags, and so on...
Q3:How can I get a quote?
A:Just send me inquire or "Chat Now" at the right page, and we need to know size, material, quantity, gram weight, printing, closure and other requirements you prefer to figure out an exact quote.
Q4:Do you provide samples?
A: We are happy to provide existing samples for free.
Q5. why should you buy from us not from other suppliers?
A:
1. Advanced equipment: Imported full set of Starlinger production line.
2. Competitive price: by actively seeking the best options and manage the supply chain.
3. Strict QC system.
4. On-time delivery.
5. Good reputation.
Welcome to contact us for more details!