Oral liquid bottle Manufacturers

Where Our Oral Liquid Bottles Fit

Oral liquid bottles are the standard primary container for aseptic packaging and long-term storage of liquid formulations. Our bottles are used for Traditional Chinese Medicine oral liquids, vitamin and mineral syrups, pediatric formulations, botanical extracts, peptide and collagen drinks, probiotic liquids, liquid enzymes and portable functional beverages.

• Pharmaceutical: colorless TCM mixtures, standard oral syrups, light-sensitive vitamin C syrups and photosensitive herbal extracts.
• Nutraceutical: collagen peptide drinks, protein peptide oral liquids, children's peptide drinks, ginseng and goji liquids, syrup-based health products.
• Personal care: non-injectable oral beauty essences, plant concentrates and transparent hydrating formulations.
• Laboratory: colorless reagents, photosensitive test solutions, aliquoting and retention samples.

Our Oral Liquid Bottle Range

Two product families cover the majority of oral liquid filling lines. Both share the same tubular forming platform, so neck geometry, wall thickness and bottom concavity are controlled to the same process window.

Adjacent glass families share the same forming and inspection platform: Freeze Dried Vials for lyophilized formulations, Curved neck ampoule for single-use sterile filling, and Essential oil bottle for light-shielding aromatherapy packaging.

Material Selection and Chemical Stability

We form oral liquid bottles from soda-lime glass and neutral borosilicate glass. Soda-lime suits standard syrups and general oral liquids; neutral borosilicate is specified where acidic or mildly alkaline formulations, high-temperature sterilization or low metal leaching are required.

• Clear glass: full transparency for visual inspection of appearance, sediment and impurities; crisp screen printing and hot-stamping results.
• Amber glass: blocks UV light to delay oxidation and degradation of light-sensitive actives such as peptides and vitamin C.
• Surface quality: smooth, uniform walls that accept screen printing, hot stamping and spray coating for brand identification.

Critical Specifications and Forming Accuracy

Neck finish geometry drives sealing performance and filling-line compatibility, so it receives the tightest control in our process. The bottle mouth dimensional tolerance reaches ±0.03 mm, which keeps aluminum crimp caps and composite tamper-evident caps seated correctly through sterilization and transport.

• Bottle height, outer diameter, inner mouth diameter, wall thickness and bottom concavity are measured at the preliminary forming inspection station.
• High-speed vision cameras reject out-of-tolerance bottles and store inspection data in real time for batch traceability.
• Uniform wall thickness supports fully automated filling lines and reduces the risk of bottle jams.
• Seamless one-piece construction with a flat neck finish for a tight, leak-proof seal, including inverted transport.

Capacity, Throughput and Production Structure

Our forming platform is built for volume pharmaceutical packaging. A single forming machine runs at 120 pcs/min; with 20 dual lines operating at full load for 20 hours, daily capacity reaches 2.88 million pcs, equivalent to 864 million glass bottles per year across 300 production days.

Each line runs from glass tube loading through forming, annealing, inspection, packing and warehousing. No intermediate outsourcing or external transfer is required, which keeps dimensional consistency and traceability inside one production chain.

Annealing and Defect Control

After forming, bottles pass through a continuous mesh-belt annealing furnace with segmented temperature control, holding at 580–620 °C for 2–3 hours before a slow gradient cool. This relieves internal stress from high-temperature forming and prevents cracking during downstream washing or sterilization. The furnace is fully enclosed with hot-air circulation, so clean hot air protects the bottle surface and limits dust contamination.

The final inspection machine performs visual inspection for 77 defect types, including cracks, bubbles, black spots, stones, chipped mouths, uneven bottoms and loose glass particles. Defective bottles are automatically separated, and all cullet is crushed and returned to the remelting workshop.

Configuration, Closures and Line Integration

We configure bottle structure and dimensions around the filling line and closure system rather than supplying a bottle in isolation. Standard neck finishes accept aluminum crimp caps and composite tamper-evident caps; screw-neck versions provide re-closable multi-dose formats.

• Capacity development: 1 ml to 100 ml for small-volume filling, single-use packaging, oral liquids, samples and concentrates.
• Structure options: screw neck, vial-type neck, tubular glass, straight body, special-shaped body, curved neck and thick-wall designs.
• Materials: soda-lime, low borosilicate, medium borosilicate and high borosilicate glass.
• Surface finishing: screen printing, hot stamping and spray coating for brand recognition.
• Compatibility design: bottle structure and size matched to filling equipment and closure systems.

For customers with mature products, we reproduce existing bottles from drawings or samples. For new programs, we develop the structure jointly against the target market and application scenario.

Packaging, Delivery and Documentation

Qualified bottles are arranged by vacuum suction robotic arms and conveyed to the automatic carton packaging machine. The bare-bottle packaging unit completes counting, paper box packing, box sealing, outer carton labeling and palletizing. Each carton carries a unique traceability QR code recording the forming machine, batch number and production time.

• Bare-bottle finished packaging for export pharmaceutical packaging customers.
• Batch-level traceability from forming machine through to carton.
• Testing reports and material documentation issued with production batches.
• Washing, drying and sterilization before filling remain the customer's process step; bottles are supplied ready for that sequence.

Information We Use to Configure Your Solution

Our proposal is based on the working point, material and production target. The following inputs let us confirm capacity, neck finish, glass type and packaging scope without repeated revision rounds.

Custom Development Process

1. Technical requirement discussion covering formulation, filling and closure.
2. Material and structure proposal with capacity and neck finish options.
3. Mold design and development.
4. Sample production and testing.
5. Client confirmation of samples and specifications.
6. Mass production and delivery.

Standard products can be ordered at lower MOQ for trial runs. Customized products are evaluated on structure, mold complexity, material requirements and production process. Our technical R&D, production management and quality control team works on glass forming process development, structural design and product consistency control.

Frequently Asked Questions

What sizes of oral liquid bottles does Ousibei produce?

Our standard oral liquid series covers 10 ml, 20 ml and 30 ml in crimp-finish amber and clear borosilicate, with 10 ml variants at 18×61.5, 18×65, 18×68 and 18×70, 20 ml at 22×83, and 30 ml at 27×79 or 26×87. Custom development supports 1 ml to 100 ml.

Should I choose soda-lime or borosilicate glass?

Soda-lime glass suits standard syrups and general oral liquids. Neutral borosilicate is specified for acidic or mildly alkaline formulations, high-temperature sterilization and applications where low metal leaching matters. We confirm the grade against your formulation pH and sterilization method.

How is the neck finish controlled for crimp sealing?

The bottle mouth dimensional tolerance reaches ±0.03 mm, and the flat neck finish is formed in one step with the body and bottom. This keeps aluminum crimp caps and composite tamper-evident caps seated correctly and prevents leakage even when bottles are inverted.

Can you match an existing bottle from a drawing or sample?

Yes. For mature products we produce according to customer drawings or samples with accurate reproduction. For new programs we develop capacity, structure, material and surface finishing jointly, then confirm through sample production and testing before mass production.

What packaging and traceability do you provide?

Qualified bottles are packed as bare-bottle finished goods through automatic counting, paper box packing, sealing, carton labeling and palletizing. Each carton carries a unique traceability QR code recording the forming machine, batch number and production time.

Do you support screen printing and custom decoration?

We provide screen printing, hot stamping and spray coating. Clear glass gives crisp print and hot-stamp results, while amber glass supports light-shielding decoration for premium supplement and oral concentrate lines.