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One-Stop Plastic PackagingSolutions

From packaging design and mold development to molding, decoration, quality inspection and global delivery, UMETASS helps brands and industrial buyers manage complex plastic packaging projects through one experienced manufacturing partner.
 PP & HDPE packaging                 OEM and custom decoration
 Food and industrial applications

20+ Years

Plastic packaging experience

0.3L–30L+

Broad packaging size range

Multiple Processes

Injection, blow and injection-blow molding

Global Support

Export packaging and delivery coordination
FROM CONCEPT TO DELIVERY
Complete Plastic Packaging 
Solutions Through One Partner
Working with separate designers, mold makers, molding factories, printers and logistics providers often 
creates delays, inconsistent quality and communication gaps. UMETASS integrates these stages into 
one coordinated workflow.

Reduce complexity while protecting product performance and brand presentation

Our project team starts by understanding your filling product, volume, closure, transport, decoration and compliance requirements. We then recommend suitable materials, product structures, molding processes and decoration methods.
 
Whether you need an existing packaging model with customized colors and printing, or a new container developed from the ground up, our objective is to provide a practical solution that can move smoothly from sampling to repeatable mass production.
MANUFACTURING CAPABILITIES
Integrated Molding, Tooling and 
Decoration Services
Our production capabilities support a wide range of rigid plastic packaging projects for food, chemical, 
agricultural, cosmetic and industrial markets.

Injection Molding

Suitable for PP buckets, pails, jars, lids, handles and precision packaging components requiring dimensional stability and repeatable production.

Extrusion Blow Molding

Used for HDPE bottles, jerry cans and hollow containers requiring strong walls, chemical resistance and practical handle or neck designs.

Injection Blow Molding

Supports bottles requiring consistent neck finishes, controlled wall distribution and a clean appearance for demanding packaging applications.

Mold Development

New projects can include structure review, mold design, trial production and optimization before the packaging enters stable mass production.

Decoration Technology

Available options include in-mold labeling, screen printing, heat transfer, offset printing, labels and laser marking, depending on the product.

Quality Control

Inspection can cover dimensions, appearance, fit, sealing, load performance, leak resistance and project-specific requirements.
PACKAGING PORTFOLIO
Plastic Packaging Products for 
Diverse Applications
Choose from established product ranges for faster development, or discuss a customized structure for 
a specific filling, handling or branding requirement.

PP Buckets & Pails

Round, square, oval and screw-top pails in multiple sizes, with snap lids, screw lids, handles, seals and custom decoration options.

HDPE Bottles

Round and square bottles with tamper-evident caps, plugs, vented closures, pumps and other dispensing options.

Plastic Jars

Wide-mouth plastic jars for food, personal care, household and industrial use, with several lid and seal configurations.

Jerry Cans

HDPE jerry cans and F-style containers with practical handles, secure closures and optional chemical packaging configurations.
Product certifications, temperature resistance, chemical compatibility and UN options vary by model, material and intended filling. Final claims should be confirmed for the selected product before publishing.
BRAND AND PERFORMANCE CUSTOMIZATION
Build Packaging Around Your Product and Brand
Customization is not limited to adding a logo. Effective packaging must balance filling compatibility, sealing performance, transport conditions, end-user convenience and visual differentiation.

Color Matching

Custom container and lid colors can be developed according to approved samples or Pantone references, subject to quantity and material.

Logo & Decoration

Select suitable decoration methods based on artwork, order quantity, surface shape, durability requirements and target appearance.

Closure Selection

Options may include snap lids, screw lids, tamper-evident caps, inner plugs, induction seals, vented closures and dispensing pumps.

Structure Development

For new projects, dimensions, wall thickness, stacking, handle design and filling requirements can be evaluated together.
INDUSTRIES SERVED
Packaging Solutions for Food, 
Chemical and Industrial Markets
Different industries require different materials, closures, testing priorities and compliance 
documentation. Our recommendations are based on the intended use of each project.

Food & Beverage

Food-grade PP buckets, jars and bottles for ingredients, sauces, powders, fermentation products, ice, frozen foods and other food-contact uses.

Beauty & Personal Care

Plastic jars and bottles with clean appearance, custom colors, decoration and closure options for creams, powders and personal care products.

Agriculture & Agrochemicals

HDPE bottles, jerry cans and closures selected according to formula compatibility, leakage control and transport requirements.

Laboratory & Technical Use

Wide-mouth bottles and containers for samples, powders and compatible laboratory materials, with closure and temperature requirements reviewed by application.

Chemicals & Coatings

Rigid plastic containers for compatible liquids, additives, coatings, detergents and industrial chemicals, with sealing and chemical-resistance considerations.

Industrial & Household Products

Durable pails, bottles and containers for tools, cleaning products, hardware, pet products, household storage and industrial consumables.
PROJECT WORKFLOW
From Requirement Analysis 
to Global Delivery
A clear, stage-based process helps reduce development risk and keeps technical, commercial and delivery expectations aligned.
QUALITY AND COMPLIANCE
Quality Systems That Support Consistent Production
Quality begins with clear requirements and continues through material control, molding parameters, decoration, inspection and shipment preparation. Documentation and testing support can be matched to the selected product and application.
  • Incoming raw-material and component control
  • Dimensional, appearance and assembly inspection
  • Leak, sealing, stacking or load testing when applicable
  • Food-contact, chemical or transport documentation based on product scope
  • Pre-shipment inspection and export packing review

ISO 9001

Quality management

FSSC 22000

Food packaging system scope, where applicable

FDA / EU Food Contact

Quality management

REACH / UN / GRS

Available by selected product or project
WHY UMETASS
A Practical Partner for Long-Term
Packaging Projects
Customers choose UMETASS not only for a container, but for coordinated support across
development, manufacturing, customization and repeat supply.

Established Manufacturing Experience

Plastic packaging experience since 2005 supports practical recommendations and repeatable production.

Quality-Focused Production

Clear standards, inspection records and project-specific checks support stable supply.

Multiple Molding Processes

Injection molding, extrusion blow molding and injection blow molding broaden the available packaging solutions.

Scalable Supply

Support can move from samples and pilot quantities to regular bulk purchasing based on the selected product.

OEM & Customization Support

Color, closure, printing, labeling, structure development and packaging can be coordinated under one project.

Global Business Support

International communication, export packing and shipping coordination help simplify cross-border purchasing.
APPLICATION STORIES
Example Packaging Solution Scenarios
Use real customer projects after removing confidential brand information. Each story should explain
the requirement, solution and measurable result.

Food Ingredient Packaging

Requirement: Food-contact container with secure lid, carrying handle and custom label.

Solution: PP pail, approved color sample, selected seal structure and IML artwork validation.

Result: A branded, stackable packaging format suitable for repeat purchasing.

Agrochemical Liquid Packaging

Requirement: Strong bottle, tamper-evident closure and compatibility review for the intended formulation.

Solution: Suitable HDPE bottle structure, cap and sealing configuration, followed by sample testing.

Result: A clearer route from technical confirmation to commercial order.

Private-Label Jar Program

Requirement: Several jar capacities with unified brand colors and decoration.

Solution: Coordinated jar range, lid selection, color confirmation and repeatable artwork standards.

Result: A consistent product family across multiple package sizes.
FREQUENTLY ASKED QUESTION
Questions About Custom Plastic Packaging
These answers can help visitors understand the development process before sending an inquiry.
  • Can you provide OEM and ODM packaging services?

    Yes. Depending on the project, support can include existing-model customization, material and closure selection, custom colors, decoration, labeling, mold development, sampling and mass production.
  • What information is needed to recommend packaging?

    Please provide the filling product, required capacity, estimated order quantity, intended market, preferred material, closure type, color, decoration method, transport conditions and any certification or testing requirements.
  • What decoration methods are available?

    Available methods may include in-mold labeling, screen printing, heat transfer, offset printing, pressure-sensitive labels and laser marking. The best option depends on the container shape, artwork, durability requirements and order quantity.
  • Can you develop a completely new container?

    Yes. A custom project normally requires a technical review, structure confirmation, mold quotation, development timeline, trial samples and final approval before mass production.
  • Can the packaging be used for food or chemicals?

    Suitable material and documentation must be selected according to the filling product and destination market. Food-contact or chemical packaging suitability should be confirmed for the specific container, resin, closure and intended contents.
  • What is the typical minimum order quantity?

    MOQ varies by product, color, decoration method and whether a custom mold is required. Standard colors and existing products usually have lower entry quantities than fully customized projects.
Ready to Develop Your 
Plastic Packaging Solution?
Tell us what you need to pack, your target capacity, quantity, closure, decoration and destination market. Our team will help evaluate a suitable solution.
Recommended inquiry form fields: Name, company, email, country, product to be packed, required capacity, estimated quantity, product type, material preference, closure, color, logo/printing, destination port/address and attachment upload.
Nanjing Shuishan Technology Co., LTD was founded in 2005, located in Nanjing, Jiangsu, China.

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