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Wholesale PP Baby Bottles: OEM/ODM Manufacturing & Technical Specifications

Product Category: Polypropylene (PP) Infant Feeding Bottles

Target Age Group: 0–36 Months (Newborn, Transition, and Toddler stages)

Core Positioning: Engineered for high-volume brand owners, private label distributors, and retail chains requiring strict regulatory compliance, thermal durability, and absolute anti-leak performance. Produced in a Class 100,000 cleanroom injection molding facility.

Wide Neck Baby Bottle
This Wide Neck Baby Bottle is designed to provide a comfortable and convenient feeding experience for both babies and parents. The wide neck opening makes it easier to prepare formula, add milk, and
Infant Feeding Bottle
This infant feeding bottle is designed to provide a comfortable and reliable feeding experience for babies and parents. With a baby-friendly bottle design and soft silicone nipple, it supports gentle
Anti Leak Baby Bottle
The Anti Leak Baby Bottle is designed to provide a secure, comfortable and mess-free feeding experience for babies and parents. Featuring a reliable leak-proof sealing structure, the bottle helps
260ml PP Baby Bottle
Support your baby’s daily feeding routine with this practical 260ml PP baby bottle. Designed for comfort and convenience, it provides a safe and reliable solution for milk and formula feeding.
Baby Bottle with Handles
Support the baby’s transition to independent drinking with this practical baby bottle with handles. Designed to bridge the gap between assisted feeding and self-feeding, it helps little ones build

Baby Bottle Types

Wide Neck Baby Bottle:

55mm+ ultra-wide diameter opening; accommodates powdered formula cleanly; compatible with standard industrial bottle brushes and manual cleaning. Targeted at mass retail, e-commerce brand owners, and institutional childcare suppliers.

Anti-Leak / Anti-Colic Bottle:

Integrated dual-vent micro-valves on the nipple; precision-molded screw collar matched with a food-grade silicone sealing ring to prevent cross-threading and liquid seepage. Targeted at premium infant care lines and specialty baby boutiques.

Baby Bottle with Handles:

Ergonomic, detachable dual-handles molded with soft-touch TPE grips; engineered for secure infant grip during the developmental transition phase. Targeted at toddler independent feeding lines (6+ months).

Materials & Safety

Bottle Body:

100% Virgin Food-Grade Polypropylene (PP) homopolymer/random copolymer sourced from certified global petrochemical suppliers (e.g., Sabic, Borealis). Completely free from Bisphenol A (BPA), Bisphenol S (BPS), phthalates, lead, and PVC.

Regulatory Compliance:

Fully tested and certified to EN 14350 (European Safety Standard for Child Care Articles) and US FDA 21 CFR 177.1520 (Polyolefin Polymers). Third-party test reports (SGS/Intertek) available upon request.

Nipple / Teat:

Platinum-cured Liquid Silicone Rubber (LSR). Odorless, tasteless, and highly resistant to tearing and thermal degradation.

Collar, Cap & Handles:

Food-grade PP and Thermoplastic Elastomer (TPE) over-molded components.

Key Features & Specifications

Capacity Options: 120ml (4 oz), 150ml (5 oz), 240ml (8 oz), and 300ml (10 oz). Graduations molded directly into mold cavity with dual ml/oz markings (wear-resistant, solvent-proof).

Nipple Flow Rates & Durometer:
Slow Flow (0–3M): Single round hole, Shore A 50 silicone durometer.

Medium Flow (3–6M): Medium round hole or cross-cut.

Fast Flow / Variable (6M+): Y-cut or slot valve designed for thicker liquids or cereals.

Anti-Colic Mechanics: Built-in dual air-vent channels equalize internal negative pressure, preventing nipple vacuum collapse and minimizing infant air ingestion.

Thermal Performance: Heat distortion threshold rated above 100°C. Withstands repeated high-temperature steam sterilization, electric sterilizers, and boiling water disinfection up to 120°C.

Customization & OEM/ODM

Bottle Body Customization:

Custom Pantone color injection via precision masterbatch blending; translucent or opaque finish; durable graduation printing via silk-screen or laser etching.

Nipple & Component Adjustments:

Custom silicone durometer (Shore A 40–60), alternative venting configurations, and proprietary logo debossing on the nipple base flange.

Packaging & Kitting:

Custom retail carton design, multi-language instruction inserts, hang tags, and master carton barcoding tailored for Amazon FBA or major retail distribution standards.

Manufacturing & Quality Control

Production Infrastructure: Class 100,000 cleanroom environment housing automated electric injection molding machines and robotic pick-and-place extraction units.

Strict Quality Assurance Protocols:
Incoming Material Verification: Melt Flow Rate (MFR) testing and density checks on every incoming batch of PP resin.

In-Line Process Control: Automated optical vision inspection systems monitoring wall thickness uniformity (±0.05mm tolerance), flash prevention, and thread pitch integrity.

Finished Goods Testing: 100% torque testing on screw collars, pneumatic air-pressure leak tests, and tensile strength pull tests on silicone nipples.

Production Capacity: 30+ dedicated injection lines with an average output of 1,500,000+ units per month, ensuring consistent supply chain stability.

Factory Audits & Standards: ISO 9001 Quality Management System certified; BSCI social compliance verified.

How to Order

Minimum Order Quantity (MOQ):

3,000 units per SKU for standard catalog stock colors; 5,000 units per SKU for custom Pantone injection and private label packaging.

Sample Policy:

Standard functional stock samples dispatched within 3–5 days (freight collect). Custom color matching or tooling prototypes require 10–15 days.

Standard Lead Time:

25–35 days upon receipt of commercial deposit and pre-production sample sign-off.

Packaging Specifications:

Individually polybagged or boxed, packed in heavy-duty 5-layer corrugated export-grade master cartons to prevent transit damage.

Logistics & Incoterms:

FOB (Shenzhen/Ningbo), CIF, or EXW via sea freight, air cargo, or DDP rail for initial pilot orders.

Frequently Asked Questions

Q: What exact raw material is used for the bottle body, and can you supply food-contact certificates?

A: We use virgin homopolymer or random copolymer PP sourced from certified manufacturers like Sabic and Sinopec. Full food-contact compliance certificates (FDA 21 CFR 177.1520 and EN 14350) issued by ISO 17025 accredited labs are provided with every batch or project kickoff.

Q: How is liquid leakage prevented between the collar and the bottle neck?

A: Our injection molds maintain strict dimensional tolerances (±0.05mm) on the thread profile. A precision-engineered food-grade silicone sealing ring inside the screw collar compresses uniformly against the bottle rim when tightened, ensuring an absolute liquid-tight seal under inversion and shaking.

Q: Do these PP bottles warp or degrade after repeated steam sterilization?

A: No. The selected medical/food-grade PP resin possesses high thermal stability, withstanding continuous sterilization cycles up to 120°C in electric steam sterilizers or dishwashers without structural warping, softening, or chemical leaching.

Q: What is your standard workflow for custom OEM/ODM private label projects?

A: Clients provide 2D/3D drawings or technical specifications. Our engineering team conducts a feasibility review, develops prototype samples or 3D prints for client evaluation, and transitions to mass production immediately following sign-off.

Q: What is your quality control defect rate threshold for mass production?

A: We maintain a strict Acceptable Quality Limit (AQL) standard of 1.0 for major defects and 2.5 for minor defects, verified through pre-shipment inspections (PSI) conducted according to ISO 2859-1 sampling tables.

Q: What are your standard payment terms for bulk B2B orders?

A: T/T terms (30% advance deposit, 70% balance settled against presentation of the Bill of Lading copy) or L/C at sight for verified corporate accounts.

Request a Quote

To obtain a precise commercial and technical quotation within 24 hours, please submit your project requirements to our engineering sales desk:
Product Model: (e.g., Wide Neck / Anti-Leak / With Handles)
Material Specification: (Standard PP / Specific resin brand requirements)
Capacity & Volume: (e.g., 240ml, 5,000 units per SKU)
Customization Details: (Pantone color code, custom silk-screen logo, packaging requirements)
Destination Port / Market: (Target country for logistics calculation)
Direct Engineering & Sales Desk: Send your technical drawings or RFQ details directly to our manufacturing project team for fast-track evaluation and tier-one pricing.

Guangzhou Lier Baby Products Co., Ltd. is one of the most professional pp baby bottle manufacturers and suppliers in China, also supports customized service. Please feel free to wholesale bulk durable pp baby bottle in stock here from our factory. Contact us for more details.

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