Wholesale Shipping Box Supplier & Factories

High-Performance Thermal-Resistant Rigid Packaging, Food-Grade Polymer Containers & Enterprise Direct Supply Chain Solutions

Featured Catalog Part 1

Precision-Engineered Rigid Packaging & Lids

Direct-from-factory thermoformed & injection-molded solutions engineered for thermal resilience, leak protection, and international transport compliance.

Custom High-Temperature Resistant PP Plastic Bowls from China
Custom High-Temperature Resistant PP Plastic Bowls from China - Quality Suppliers and Factory for Food Safety Manufacturer, Factory
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China PP95-700 Heat-Resistant Food-Grade Blister Cup
China Suppliers Factory PP95-700 Heat-Resistant Food-Grade Printable Flat-Bottom Blister Cup - Durable & Microwave-Safe
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Wholesale 9812OZ PET plastics Cold drink cup
Wholesale 9812OZ PET plastics Cold drink cup printing personalized Manufacturer, Supplier
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Custom PPD90 flat cover
Custom PPD90 flat cover (cola cover) high temperature resistant Factories, Factory
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China Suppliers Factory PP95-700
China Suppliers Factory PP95-700 Heat-Resistant Food-Grade Flat-Bottom Blister Cup - Microwave Safe & Durable
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China High-Temperature Resistant PP185 Bowl Lid
China High-Temperature Resistant PP185 Bowl Lid - Food-Grade, Lightweight, Durable from China Suppliers & Factory Manufacturers, Factories
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Custom 9814BOZ PET plastics Cold drink cup
Custom 9814BOZ PET plastics Cold drink cup printing personalized Manufacturer, Factories
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Personalized PET Cold Drink Cups
China Suppliers Factory Personalized PET Cold Drink Cups with High Transparency for Printing and Aesthetic Appeal
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Factory Infrastructure

Guangdong Santai Plastic Industry Co., Ltd.

Guangdong Santai Plastic Industry Co., Ltd. officially embarked on its entrepreneurial journey in 2010 and has been deeply involved in the plastic product manufacturing sector for over a decade. Starting as a specialized production enterprise, it has evolved into an internationally recognized beverage and food-grade packaging solution provider.

Located strategically at No.5, Xinjiang Village Industrial Zone, Changning Town, Boluo County, Huizhou City, Guangdong Province, our mega-manufacturing facility spans across 26,500 square meters of structured industrial space. Engineered with cleanrooms operating under constant temperature, humidity, and high-efficiency particulate air (HEPA) purification systems, our plant guarantees hygiene compliance from raw polymer extrusion to final boxed dispatch.

For strategic procurement, enterprise bulk orders, and custom OEM/ODM tooling inquiries, our direct corporate desk can be reached at [email protected].

Santai Factory Production Facility
26,500 ㎡
Industrial Footprint
2010
Year Established
200+
Injection Machines
300+
R&D Engineers & Techs
Industrial Technical Whitepaper

Material Engineering & Thermal Performance Benchmarks

Understanding the structural integrity, melt flow index (MFI), and barrier physics of B2B shipping containers, PP blister cups, and PET clear packaging.

Polypropylene (PP) Thermal Resistance Mechanics

Polypropylene (PP) serves as the backbone material for microwave-safe, high-temperature food packaging and durable delivery vessels. Engineered via high-precision thermoforming and injection processes, modern PP packaging formulations exhibit exceptional Heat Deflection Temperatures (HDT) ranging from -20°C up to +120°C.

The crystalline structure of homopolymer and random copolymer PP variants provides structural rigidity against hot-fill applications (such as soups, single-origin coffee, and oil-heavy cuisine). During long-distance logistics, PP shipping boxes and bowl lids maintain dimensional stability, resisting stress whitening, micro-fracturing, and vacuum-collapse induced by thermal fluctuations.

Polyethylene Terephthalate (PET) Optical & Structural Clarity

For cold-chain beverage distribution and high-clarity retail display, Polyethylene Terephthalate (PET) offers superior tensile strength, optical transparency (>90% light transmission), and gas barrier properties against carbon dioxide and oxygen ingress.

Our PET cold drink cups (ranging from 12oz to 24oz sizes with customized 98mm rim geometries) undergo automated side-wall thickness profiling. This ensures consistent column strength when stacked inside heavy outer shipping cartons, mitigating deformation and side-buckling during oceanic or air freight transport.

Polymer Type Thermal Range (°C) Tensile Strength (MPa) Optical Clarity Microwave Suitability Primary Industrial Application
PP (Polypropylene) -20°C to +120°C 30 - 40 Translucent to Semi-Clear Excellent (Microwave-Safe) Hot food bowls, coffee lids (PP79/PP80), hot blister cups
PET (Polyethylene Terephthalate) -40°C to +65°C 55 - 75 Ultra-High Transparency (>90%) Unsuitable Cold beverage cups (98mm/95mm series), deli lids, clear packaging
PS (Polystyrene) -10°C to +80°C 35 - 50 High Transparency / Opaque Not Recommended Specialized cup lids, rigid snap-on caps
PLA (Polylactic Acid / Bio-Polymer) -20°C to +45°C 40 - 60 High Transparency Unsuitable Eco-friendly biodegradable straws, compostable cold cups
15 Years Experience Santai Packaging
Industrial Evolution

Enterprise Journey: From Workshop to Global Leader

Looking back at Santai Plastic's corporate history, its growth trajectory is marked by relentless perseverance. In the early days, the company barely started with just two basic production machines. Facing multiple challenges like limited equipment, insufficient production capacity, and low market recognition, the team remained committed to quality standards, gradually accumulating experience through simple processing of single product categories.

As market demand expanded and technical capabilities improved, the company continuously increased equipment investment and technological upgrades. Today, Santai operates 30 advanced thermoforming production lines and 20 extrusion production lines alongside 200+ precision injection molding units.

Production efficiency and product precision have improved simultaneously, successfully transitioning from "small-scale workshop production" to "modern large-scale manufacturing." The comprehensive catalog covers PET cold drink cups, PET cup lids, PP cups, PP cup lids, PS cup lids, injection-molded cups, injection lids, PLA straws, PP straws, and paper straws.

Strategic Value Proposition

China Factory Supply Chain Advantages & Global Enterprise Sourcing

How direct OEM/ODM factory integration delivers total cost of ownership (TCO) optimization for multi-national beverage chains, distributors, and logistics hubs.

Upstream Integration

Resin Sourcing & Scale Economies

By procuring food-grade virgin PP, PET, and bio-PLA resins directly from tier-1 global petrochemical suppliers in multi-thousand-ton batches, Santai eliminates intermediary price volatility. This upstream scale is passed directly to wholesale buyers, securing competitive unit pricing even during global raw material fluctuations.

Precision Manufacturing

In-House Tooling & Automated R&D

Backed by 300+ dedicated R&D engineers and tooling technicians, our facility designs, mills, and maintains custom CNC thermoforming molds with tolerances within ±0.05mm. This guarantees leak-proof lid fitment and zero lid-stacking jamming on automated QSR filling lines.

Logistics Efficiency

Optimized Packaging Density

Shipping boxes and nested cups are engineered for maximum volumetric efficiency. By optimizing sleeve compression and carton dimensions, we maximize high-cube (40HQ) ocean container fill rates by up to 18%, significantly lowering per-unit transport tariffs.

ESG & Green Manufacturing

Sustainable Operations & Low-Carbon Eco-Packaging

As a growing enterprise, Santai Plastics has consistently integrated social responsibility into its development strategy, with sustained efforts in environmental protection. The company actively develops and promotes eco-friendly products, including PLA and paper straws, while progressively adopting recyclable PET and biodegradable PP materials for cup production to reduce traditional plastics' environmental impact.

Additionally, it drives green production upgrades by installing roof-mounted solar power systems to supply clean energy for workshops and offices, significantly cutting annual carbon emissions. The company also optimizes wastewater and exhaust gas treatment processes to achieve closed-loop resource recycling, setting an industry benchmark for sustainable manufacturing.

Solar Energy System Santai
Cleanroom Manufacturing Santai
Quality Assurance & Global Reach

Strict Compliance Standards & Global Partner Feedback

Operating standardized cleanrooms with constant temperature and humidity control, high-efficiency air filtration, and precise optical testing systems.

Southeast Asia Market

Beverage Chain Partner

"Santai's products demonstrate exceptional stability during transit, remaining perfectly intact even after long-haul multi-modal shipping. Their dimensional precision perfectly matches our automated capping machinery, significantly reducing operational downtime."

European Union Market

Eco-Compliance Partner

"The PLA straws fully comply with EU environmental packaging directives and have been warmly received across regional retail chains. Santai's R&D capabilities and delivery efficiency far exceed our expectations."

Middle East Market

Franchise Enterprise

"From sample prototyping to mass manufacturing, Santai's team has impressed with their rapid response and professionalism. Communication remains seamless and technical problem-solving is prompt and thorough."

Advanced Cleanroom & Inspection Facility Operations

Production Room 1
Production Room 2
Production Room 3
Production Room 4
Production Room 5
Production Room 6
Production Room 7
Production Room 8
Strategic Cooperation

Deep Cooperation & Global Freight Integrity

Ensuring product hygiene and safety from the production source, every production batch meets national and international food-contact safety frameworks (including FDA 21 CFR, EU No 10/2011, and ISO standards).

By integrating structural corrugated shipping outer boxes with high-density stacking profiles, our shipping solutions guarantee zero deformation during long-distance maritime freight, port handling, and regional warehouse dispatch.

Deep Cooperation Santai Packaging
Technical Buyer Knowledgebase

Frequently Asked Questions (FAQ) & Sourcing Guide

In-depth answers regarding materials, customization, thermal limits, MOQs, and shipping logistics.

1. What makes PP plastic bowls and lids suitable for high-temperature food delivery?
Polypropylene (PP) possesses a high melting point (approx. 160°C to 165°C) and structural resilience up to 120°C. This allows containers like our PP185 bowl lids and PP95-700 blister cups to hold hot liquids, soups, and microwavable food items without softening, leaching chemicals, or losing seal integrity during transit.
2. How does custom logo printing work on PET cold drink cups and containers?
We utilize high-speed curved offset printing machines capable of up to 6 to 8 colors with food-safe, UV-curable inks. Our optical registration systems ensure exact logo positioning across large production runs for sizes such as 9812OZ, 9814BOZ, and 95-22OZ PET cups.
3. What packaging measures prevent product damage inside master shipping boxes during freight?
Products are packaged in food-grade dust-proof poly bags, nested precisely to prevent friction scratching, and packed into heavy-duty 5-ply corrugated export shipping boxes. Outer boxes are engineered with optimal edge crush test (ECT) values to support multi-layer pallet stacking inside 20GP and 40HQ containers.
4. Can Santai manufacture fully biodegradable or compostable packaging alternatives?
Yes. In addition to recyclable PET and PP lines, we manufacture PLA (Polylactic Acid) straws and PLA bio-resin cups/lids derived from renewable plant starches. These products comply with international industrial composting standards such as EN 13432 and ASTM D6400.
5. What is the standard lead time for custom tooling and mass production orders?
Standard mold tooling for custom cup or lid dimensions takes approximately 15 to 25 days. Once approved, mass production orders are typically completed and loaded within 15 to 20 days, supported by our 30 thermoforming and 200+ injection machine throughput.
6. How can international buyers request customized quotation and factory audits?
Buyers can contact our direct corporate export office at [email protected] or visit our facility located at No.5, Xinjiang Village Industrial Zone, Changning Town, Boluo County, Huizhou City, Guangdong Province, China. Virtual video audits and instant CAD drawing verification are available upon request.
Featured Catalog Part 2

High-Precision Beverage Caps, Coffee Lids & Specialty Cups

Comprehensive product offerings tailored for global beverage franchises, coffee distributors, and fast-food retail systems.

Wholesale 95-22OZ PET plastics Cold drink cup
Wholesale 95-22OZ PET plastics Cold drink cup printing personalized Supplier, Factories
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China PP79 single hole coffee cap
China PP79 single hole coffee cap can withstand high temperatures Suppliers, Factory
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Wholesale High-Temperature Resistant PP80 Lid
Wholesale High-Temperature Resistant PP80 Flat Mouthed CL Coffee Lid - Quality Vacuum-Formed Products from China Suppliers and Factory Suppliers, Factory
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China PP178 salad bowl
China PP178 salad bowl with high-temperature resistant lid Supplier, Factories
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Wholesale PET98 flat cover
Wholesale PET98 flat cover with high transparency Supplier, Factory
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China PP119 holeless cover
China PP119 holeless cover can withstand high temperatures Manufacturer, Supplier
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High Transparency Pet93 Cover
Wholesale High Transparency Pet93 Semi-Circular Cover from Reliable China Suppliers and Factory for Optimal Performance Factories, Factory
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China Heat-Resistant PP90-500U Blister Cup
China Heat-Resistant PP90-500U Blister Cup - Food-Grade, Non-Toxic, Microwave-Safe - China Suppliers & Factory Manufacturers, Suppliers
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