
MOLD & BOTTLE MANUFACTURING
Custom Bottle Molds.
Practical Production Support.
From concept sketch to finished glass bottle, we provide custom mold development and glass bottle manufacturing support with practical engineering review, sample testing, and production quality control.
40+ Years
OEM/ODM Experience
Custom
Mold Development
Sample
Review Before Production
Project
Based Lead Time
MOLD FUNDAMENTALS
How Glass Bottle Molds Work
A glass bottle mold is a precision-engineered metal cavity that determines every aspect of a bottle's final form -- its silhouette, wall thickness, base weight, neck diameter, and surface texture. Molten glass at approximately 1,050 °C is either blown or pressed into the mold cavity under controlled pressure, taking its exact shape within seconds.
The mold consists of two halves (the blank mold and the blow mold), a bottom plate, and a neck ring. Each component is machined to micron-level tolerances from cast iron or aluminum alloy to withstand thousands of thermal cycles without deformation.
Because every design decision lives in the mold, investing in a high-quality mold is the single most important step toward a premium, consistent bottle. A well-developed mold helps support stable production, consistent appearance, and future repeat orders.



MOLD TYPES
Two Core Forming Methods
Blow-Blow Process
Used for narrow-neck perfume and fragrance bottles. A gob of molten glass is first pre-blown into a parison (blank), then transferred to the blow mold where final air pressure forms the precise bottle shape. Ideal for tall, slender silhouettes with complex curves.
- -- Best for: perfume bottles, reed diffuser bottles
- -- Neck diameter: typically 13-28 mm
- -- Wall uniformity: excellent
Press-Blow Process
A metal plunger presses molten glass into the blank mold to form the parison, which is then blown to final shape. This method produces thicker, heavier bases -- the hallmark of luxury cosmetic jars, candle vessels, and cream pots with a premium hand feel.
- -- Best for: cream jars, candle vessels, wide-mouth containers
- -- Base weight: heavier, more luxurious
- -- Wall thickness: more controllable
WORKSHOP CAPABILITIES
Mold Development Capabilities
We support custom mold development through an experienced design process and trusted machining resources, helping customers turn approved bottle drawings into production-ready glass molds.





Mold Machining Support
Machining resources support custom 3D mold cavities for cast iron and aluminum alloy molds, based on approved drawings and production requirements.
Logo & Texture Support
Logo, pattern, text, and selected surface texture details can be arranged when the design is suitable for mold-based decoration.
Mold Polishing Support
Careful polishing of mold cavities helps improve glass clarity, surface finish, and overall appearance for high-white and crystal-white glass projects.
Mold Inspection & QC
We check key mold dimensions, cavity surface quality, neck finish, parting lines, and trial samples before mass production planning.
Mold Storage & Maintenance
Client molds can be catalogued, stored, and maintained for repeat orders according to the project agreement and mold condition.
3D Design & Modeling
Our design support team helps convert your sketch, reference image, or concept into production-ready 3D CAD files and mold drawings as part of the custom project workflow.
STEP BY STEP
The Mold Manufacturing Process
From your idea to a production-ready mold, each step is managed through a clear workflow to support communication, sampling, and production planning.

Design Consultation & 2D Drawing
We begin by understanding your bottle concept -- shape, capacity, neck diameter, wall thickness, base weight, and any logo or texture requirements. Our design team produces detailed 2D technical drawings with all critical dimensions, which you review and approve before any machining begins.
Timeline: 3-5 days
3D Modeling & Mold Engineering
Approved drawings are converted into detailed 3D CAD models. Our mold engineers then review the main mold components -- blank mold, blow mold, neck ring, bottom plate -- accounting for glass shrinkage rates, parting lines, and venting. The 3D model is shared with you for final confirmation.
Timeline: 3-5 days


CNC Mold Machining
CNC programs are generated from the approved 3D model for mold machining. The mold cavity is cut from cast iron or aluminum alloy according to the project drawing and production requirements. Logo engravings and selected surface textures can be added when suitable. Mold components are then polished to support the required surface finish.
Timeline: 10-15 days
Trial Production & Sample Approval
The finished mold is installed on our glass production line for trial runs. Initial samples are measured against the approved drawings and inspected for wall uniformity, seam visibility, base flatness, and neck thread accuracy. We make any necessary mold adjustments before sending samples to you for approval.
Timeline: 5-7 days


Mass Production & Delivery
Once samples are approved, we proceed to mass production. Your mold is stored in our facility for all future orders -- no re-tooling costs for repeat purchases. Surface finishing, accessory assembly, quality inspection, and export packaging are all completed coordinated before shipment.
Timeline: 10-25 days (depending on quantity)
SHAPE LIBRARY
Custom Shapes for Different Packaging Needs
We can develop many common and custom glass bottle shapes, including round, square, oval, faceted, flat, tapered, wide-mouth jars, and brand-specific designs. Final feasibility depends on capacity, neck finish, wall thickness, bottle weight, decoration process, and production requirements.

Round / Cylindrical
Classic, versatile, timeless

Square / Rectangular
Modern, architectural, bold

Oval / Elliptical
Elegant, ergonomic, feminine

Faceted / Geometric
Crystal-cut, high-end luxury

Flat / Flask
Travel-friendly, pocket size

Tapered / Waist
Hourglass, sculptural curves

Wide Mouth Jars
Cream pots, candle vessels

Fully Custom
Brand-specific shapes
Capacity Range
5 ml miniature bottles to 500 ml large format vessels. Many capacities can be developed through custom mold design, subject to technical review.
Neck & Closure Options
FEA 15, FEA 18, FEA 20, FEA 28, GPI, and custom neck finishes. Compatible with pumps, sprayers, rollers, and all cap types.
Surface Texture in Mold
Frosted texture, ribbing, fluting, grid patterns, and custom relief designs can be machined directly into the mold cavity -- with less reliance on secondary processing.
SURFACE FINISHING
Beyond the Mold:
Premium Surface Treatments
Once bottles leave the mold, surface treatment and decoration resources add the finishing touches that define luxury. Every treatment is applied with attention to production requirements and brand appearance.




GLASS MATERIALS
High-White & Crystal-White Glass

High-White Glass
High-white glass offers good clarity and a clean appearance, suitable for perfume bottles, skincare packaging, and home fragrance products.
- Clarity:
- Good clarity
- Appearance:
- Clean glass look
- Best For:
- Perfume, skincare, home fragrance

Crystal-White Glass
Crystal-white glass provides higher transparency and a more premium visual effect, often used for luxury perfume and cosmetic packaging projects.
- Clarity:
- Premium clarity
- Appearance:
- Clear, refined finish
- Best For:
- Luxury perfume, prestige cosmetics
WHY CHOOSE US
Why Choose Jingte Glass
We connect design, mold development, sample review, bottle production, and decoration support to help customers move from idea to production more smoothly.
Cost-Effective Mold Development
We help customers choose practical mold solutions based on bottle shape, quantity, and budget.
Faster Project Communication
Design, mold, sample, and production details are reviewed together to reduce communication errors.
Stable Repeat Orders
For repeat orders, we use approved specifications and stored molds to help maintain stable dimensions and appearance.
Testing Support Available
Third-party testing and quality documents can be arranged upon request based on product application and destination market.
FAQ
Common Questions About Custom Molds
Who owns the mold after it is made?
Mold ownership, storage, maintenance, and transfer terms can be confirmed in the project agreement. For customer-paid custom molds, we can store and maintain the mold for repeat orders according to the agreed terms.
How long does it take to make a custom mold?
The complete mold development process usually takes 15-30 days, depending on bottle shape, mold complexity, sample review, and production schedule. We provide a project timeline after confirming the drawing and technical requirements.
What is the minimum order quantity for custom bottles?
For custom mold orders, the typical MOQ is 30000 pieces per design per color. For in-stock standard mold bottles, MOQ starts from 1000 pieces. We are flexible for initial trial orders and can discuss your specific volume requirements.
Can I modify a mold design after production has started?
Minor adjustments (such as removing material to increase volume, or adjusting neck dimensions) can often be made to an existing mold at a lower cost than making a new one. Major shape changes typically require a new mold. This is why we invest heavily in the 3D approval stage -- to catch and resolve any issues before machining begins.
Do you provide NDA / confidentiality for custom designs?
Yes. We sign Non-Disclosure Agreements before reviewing any proprietary design files. Your bottle shape, design drawings, and brand identity are kept strictly confidential. We never share or replicate client-owned designs for other customers.
What information do I need to provide to start a custom mold project?
To begin, we need: your desired bottle capacity (ml), approximate dimensions (height × width), neck type (spray pump, roller, cap), intended glass material (high-white or crystal-white), any reference images or sketches, and your target annual volume. Even rough sketches are a valid starting point -- our design team handles the rest.
START YOUR PROJECT
Ready to Build
Your Custom Bottle Mold?
Share your concept -- a sketch, a reference bottle, a capacity requirement, or even just an idea -- and our team will respond within 24 hours with a feasibility assessment and indicative quote.
- → Free 3D design consultation for qualified projects
- → NDA signed before reviewing your designs
- → Samples shipped worldwide via DHL / FedEx
- → OEM & ODM both welcome
📞 +86 18860836055
📧 info@jtglassbottle.com
📍 Xuzhou, Jiangsu, China
Request a Mold Consultation
Tell us about your bottle project and we'll get back to you within 24 hours.



















