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With a high-quality professional technical team, it can customize formulas according to customer needs to meet the needs of different markets and consumers.
The factory is equipped with internationally leading automated production equipment, from raw material mixing, filling to packaging, full automation operation to ensure production efficiency and product quality stability.
Precision metering system: Use high-precision metering equipment to ensure the precise proportion of the formula ingredients of each bottle of dishwashing liquid, so that the cleaning effect is consistent.
A strict quality control system has been established. From raw material inspection to finished product inspection, each step is strictly controlled to ensure that the product meets international standards.
One-stop service from formula design to packaging material selection.
Professional design team provides brand visual solutions (including packaging design/label printing/outer box)
Support small sample proofing (72 hours of sample production) and rapid mass production (15 days for regular orders)
Flexible packaging is made from materials such as plastic films, aluminum foil laminates, and paper composites that can be formed into pouches, bags, or roll films. Compared with rigid packaging, it offers lower transportation costs, excellent barrier protection, and greater design flexibility.
SL Packaging manufactures a complete range of flexible packaging solutions, including:
Stand Up Pouches | Flat Bottom Bags | Side Gusset Bags |
Vacuum Bags | Spout Pouches | Zipper Bags |
Three Side Seal Bags | Roll Film | Plastic Packaging Bags |
Composite Packaging Bags | ||
All products can be fully customized to meet your packaging requirements.
Yes. We provide complete OEM and ODM flexible packaging services, including customization of:
Bag type and dimensions | Material structure | Film thickness |
Gravure printing | Matte or glossy finish | Zippers, valves, spouts, tear notches, hang holes, and other functional features |
Our engineering team can also recommend the most suitable packaging structure based on your product, filling process, storage conditions, transportation requirements, and desired shelf life.
We offer a wide range of laminated material structures, including:
PET/PE | PET/AL/PE | PET/VMPET/PE |
BOPP/CPP | Nylon/PE | Kraft Paper/PE |
Mono-material recyclable structures | ||
Material selection is customized according to barrier performance, product characteristics, shelf-life requirements, and packaging equipment.
Our flexible packaging solutions are widely used in:
Food and snacks | Coffee and tea | Frozen foods |
Pet food | Spices and seasonings | Powder products |
Agricultural products | Health supplements | Cosmetics |
Household chemicals | Industrial products |
We also manufacture packaging compatible with both manual filling and automatic packaging systems.
The minimum order quantity depends on the bag type, dimensions, material structure, and printing design.
We can provide existing samples for quality evaluation, and customized samples can be produced before mass production when required.
Quality control is implemented throughout the entire production process, including raw material inspection, gravure printing, lamination, bag making, and final inspection.
Every production stage is carefully monitored to ensure consistent quality, reliable sealing performance, and compliance with customer specifications.
Yes. SL Packaging exports flexible packaging products worldwide, serving customers across North America, Europe, Southeast Asia, the Middle East, South America, Africa, and other global markets.
To receive a quotation, simply provide:
Product to be packed | Bag or pouch type | Dimensions |
Material preference | Thickness | Printing artwork |
Estimated order quantity |
Our packaging specialists will recommend the most suitable solution and provide a competitive quotation promptly.
Choosing the right Stand Up Pouch Packaging Manufacturer is essential for protecting oxygen- and moisture-sensitive food, coffee, pet nutrition, and household products while maximizing retail shelf impact. This article provides an engineering breakdown of multi-layer laminated structures—including aluminum foil, metallized PET, retort-grade nylon/CPP, and recycle-ready BOPE/EVOH-PE films—alongside bottom gusset mechanics (Doypack round bottom, K-seal, and plow bottom) tailored to different fill weights. It also compares 10-color rotogravure printing with low-MOQ digital printing, outlines ultrasonic degassing valves and powder-proof zipper closures, and details how established producers like Shenlong Packaging Products Co., Ltd. verify seal strength, coefficient of friction (COF), and FDA/EU food-contact compliance before global shipment.
Partnering directly with an established Flexible Packaging Manufacturer China enables international food, beverage, pet care, and personal care brands to combine vertically integrated raw material economics with advanced 10-color rotogravure and digital converting technology. This global sourcing guide walks procurement teams through China's full product capabilities—spanning flat bottom box pouches, stand up Doypacks, spouted liquid refill bags, high-temperature retort pouches, and precision-slit VFFS/HFFS roll stock film. It outlines mandatory international compliance benchmarks (BRCGS, ISO 9001, US FDA 21 CFR 177, EU 10/2011, and PFAS/BPA-free declarations), explains the five-stage production and curing workflow practiced by Shenlong Packaging Products Co., Ltd., and provides actionable strategies for AQL pre-shipment inspections and split air-ocean freight scheduling.
Selecting a specialized Face Mask Packaging Pouch Supplier is critical for safeguarding active skincare formulations containing vitamin C, retinol, alpha-hydroxy acids (AHAs), and botanical essential oils against moisture loss and chemical delamination. This cosmetic packaging guide details how soft-tempered aluminum foil cores, acid-resistant cross-linked polyurethane adhesives, and metallocene LLDPE sealants prevent post-fill bubbling and seal contamination on high-speed dosing lines. It covers single-use sheet mask sachets, multi-sheet daily zipper bags, spouted clay mask pouches, and dual-chamber frangible burst packs, alongside luxury velvet matte finishes and custom die-cut silhouettes. You will also learn how Shenlong Packaging Products Co., Ltd. conducts accelerated 50°C stability testing, gamma sterilization validation, and ISO 22716 cleanroom converting for global beauty brands.
Working with a precision Custom Three-Side Seal Bags Supplier gives food, pharmaceutical, nutraceutical, and electronics brands maximum hermetic seal reliability and optimal material yield. Because three-side seal flat pouches maintain a uniform two-layer thickness across all perimeter welds, they eliminate gusset junction micro-leaks during chamber vacuum sealing, nitrogen flushing, and high-temperature retort sterilization. This detailed procurement guide examines industry-standard film combinations—such as PA/LLDPE freezer vacuum bags, PET/AL/LLDPE light-blackout sachets, and Kraft/VMPET pouches—while explaining functional upgrades including press-to-close zippers, laser-scored tear lines, Euro hang holes, and anti-static ESD shielding. It also highlights how Shenlong Packaging Products Co., Ltd. utilizes servo-driven chill-plate sealing and ASTM dye penetration testing to guarantee zero-defect flat bags.
This guide explains how to choose a reliable custom stand up pouch supplier by evaluating packaging materials, structural designs, barrier performance, printing technologies, closures, and quality control standards. It covers pouch options for food, coffee, pet food, liquids, and industrial products, helping B2B buyers compare specifications, ensure product protection, maintain consistent quality, and make informed sourcing decisions.
