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  ABOUT UMETASS

 

Custom Plastic Packaging Manufacturer Since 2005

UMETASS supports global brands, distributors and industrial buyers with PP buckets, HDPE and PP bottles, jerry cans, plastic jars andrelated packaging components-from established models to OEM and ODM development.
   INTEGRATED MOLDING              CUSTOM DECORATION
   EXPORT PROJECT SUPPORT

Since 2005

PLASTIC PACKAGING FOCUS
 

3 Molding Routes

INJECTION   ·  EXTRUSION BLOW 
 · INJECTION BLOW

OEM & ODM

TOOLING, STRUCTURE AND
DECORATION

Export Support

PACKING, DOCUMENTS AND
LOADING
  WHO WE ARE

One brand, coordinated by clear legal and manufacturing entities.

UMETASS is the plastic packaging brand of Nanjing Shuishan Technology Co., Ltd. Founded in 2005 in Nanjing, China, the company focuses on the development, manufacturing and supply of rigid plastic packaging containers and related components.

The proposed page clearly separates brand identity, project management and manufacturing responsibility so overseas buyers can understand who develops, produces and supports their packaging program.
 Product and application planning            Manufacturing coordination
 Sampling and custom tooling                   International sales support
 WHAT WE MANUFACTURE

Rigid plastic packaging for diverse applications.

PP Buckets & Pails

Round, square, oval, rectangular and screw-top pails with snap lids, threaded lids, tamper-evident structures and handle options.

HDPE & PP Bottles

Standard and custom bottles with multiple neck finishes, closures and functional structures for food, chemical, laboratory and daily-use markets.

Jerry Cans & F-Style Jugs

Handled HDPE containers with tamper-evident caps, plugs, vented closures, pumps and selected barrier configurations.

Plastic Jars, Closures

Wide-mouth jars, lids, plugs, handles and related packaging components for branded and industrial packaging projects.
MANUFACTURING CAPABILITIES

From molding and tooling to decoration and export packing.

Injection Molding
PP buckets, lids, handles, jars and precision packaging components.
Extrusion Blow Molding
HDPE bottles, F-style jugs, jerry cans and hollow handled containers.
Injection Blow Molding
Bottles requiring consistent neck finishes, controlled dimensions and clean appearance.
Mold Development
Structure review, mold design, trial production, sample confirmation and optimization.
Decoration Technology
IML, screen printing, offset printing, heat transfer and pressure-sensitive labeling.
Warehousing & Export Packing
Bulk storage, carton packing, pallet packing, container loading and shipment preparation.
 QUALITY & COMPLIANCE

Quality control from material verification to shipment preparation.

01
Material & Component Verification
Confirm resin, color masterbatch, closures, liners and approved specifications.​​​​​​​
02
First-Article Approval
Review weight, dimensions, appearance, fit and agreed critical characteristics.​​​​​​​
03
In-Process Inspection
Monitor molding stability, decoration quality, cavity variation and assembly.​​​​​​​
04
Dimensional & Appearance Inspection
Check key dimensions, surface defects, flash, color and print position.
05
Seal, Leak, Stack or Load Testing
Select project-relevant tests according to the container, closure and intended filling product.
06
Pre-Shipment & Packing Review
Confirm quantity, packing method, labels, pallet configuration and shipment documentation.​​​​​​​

CERTIFICATIONS & COMPLIANCE

     FACTORY , WAREHOUSE & SUPPLY
    Manufacturing and delivery support for global buyers.
     Production scheduling           
     Bulk warehouse support
     Shipment documents
     Carton or pallet packing           
     Container loading
     Repeat-order coordination
    CUSTOMER PROOF
    Packaging projects in practice.
    Replace broad claims and unauthorized logo walls with three short, evidence-based project stories.
    Maria roasted nuts buckets.jpg

    UMETASS Custom Packaging Case: 0.5L IML Roasted Nuts Buckets for MaRia

    UMETASS recently completed a customized packaging project for MaRia, a roasted nuts brand. Based on our popular LC Series food-grade plastic buckets, MaRia selected the 0.5L mini bucket and customized it with high-quality IML in-mold labeling. With its compact size, secure sealing, tamper-evident lid, easy opening, and premium visual presentation, the 0.5L LC Series bucket provides a practical and attractive packaging solution for roasted nuts, snacks, confectionery, and other food products.

    05/2026-06
    jodys-popcorn-custom-5l-iml-buckets-umetass.png

    UMETASS Custom Packaging Case: Eye-Catching 5L IML Popcorn Buckets for Jody's Popcorn

    UMETASS customized a set of highly recognizable 5L popcorn packaging buckets for Jody's Popcorn. Based on the popular LC Series food-grade sealed tamper-evident plastic bucket and enhanced with durable In-Mold Labeling technology, the project features six flavor-specific designs with strong shelf appeal. The bright striped artwork, consistent brand identity, and reliable food-grade packaging structure help Jody's Popcorn improve product presentation, brand recognition, and consumer confidence.

    22/2026-05
    custom plastic buckets for king of pickles and spices.jpg

    UMETASS Custom Packaging Case: Clear IML Tamper-Evident Buckets for King of Pickles and Spices

    UMETASS customized five sizes of clear LC Series food-grade tamper-evident plastic buckets for King of Pickles and Spices. With fully transparent bucket bodies and high-quality In-Mold Labeling, the packaging highlights product visibility, sealing performance, brand identity and practical use across retail, wholesale and food service channels.

    09/2026-05
     START A PROJECT
    Tell us what you need to pack.
    Share the filling product, capacity, quantity, closure, decoration and destination market. The inquiry form is designed to collect enough information for a useful first response.
    Nanjing Shuishan Technology Co., LTD was founded in 2005, located in Nanjing, Jiangsu, China.

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    Contact Us
      Block 8, Xingzhihui Building, Xinghuo 
    Road, High-tech Development Zone, Pukou
    District, Nanjing City, China.
      +86-18761600270
      johnna@njshuishan.com
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