China Square Mini Trampoline Service & Factories

Engineering Whitepaper & OEM/ODM Supply Chain Solutions for Global B2B Distributors, E-Commerce Brands, and Fitness Equipment Importers

Featured OEM/ODM Square & Mini Trampolines

Direct-from-factory high-performance jumping equipment engineered with heavy-gauge galvanized steel and advanced UV-resistant mats.
Custom Rectangular Jumping Trampolines 6x9FT to 8x11FT
Custom Rectangular Jumping Trampolines 6x9FT to 8x11FT
Heavy-duty rectangular design engineered for maximum bounce responsiveness and corner-to-corner stability for training.
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Custom Outdoor Trampoline Factory 6ft-16ft
Custom Funjump Outdoor Trampoline: Safe 6ft-16ft Round Beds
Certified safe outdoor trampoline systems featuring reinforced steel frame joinery and UV-treated polypropylene jump mats.
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China Customizable 40-51 Indoor Mini Fitness Trampoline
Customizable 40-51" Indoor Mini Fitness Trampoline
Compact silent rebounder equipped with high-tensile bungee cords and foldable structural legs for indoor aerobic training.
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Wholesale Funjump 10 12 14FT Trampolines
Wholesale Funjump 10 12 14FT Trampolines for Kids & Adults
High-capacity yard trampolines designed with anti-graze enclosure netting and thick foam protective frame padding.
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Custom Outdoor Round Trampoline 6-16FT with Safety Net
Custom Outdoor Round Trampoline 6-16FT with Safety Net & Ladder
All-weather outdoor recreational trampoline constructed with rust-proof galvanized steel legs and safety lock ladder.
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6-16FT Round Rebound Trampoline with Ladder
Funjump 6-16FT Round Rebound Trampoline with Ladder
Engineered for intense bounce resilience with dual-tapered steel springs and dynamic weather-resistant coating.
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55 Indoor Toddler Trampoline for Kids
Funjump 55" Indoor Toddler Trampoline Safety Design
Child-safe mini rebounder featuring springless elastic webbing, padded grab bars, and 360-degree high-density netting.
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Wholesale 55 Mini Indoor Kids Trampoline Toy
Wholesale 55" Mini Indoor Kids Trampoline Toy with Net
Ideal retail-ready indoor playroom item built with seamless enclosure system and ergonomic low-impact jumping bed.
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68,000 m²
Factory Footprint
1,500+
Daily Sets Output
10+ Years
OEM Manufacturing Expertise
6 Global
International Safety Standards

Technical Whitepaper: Square Mini Trampoline Architecture & Dynamics

An In-Depth Engineering Analysis of Dynamic Load Factors, Kinetic Vectors, and Structural Polymer Integrity in Modern Square Mini Rebounders.

Information Gain Insight: Unlike standard round trampolines where all perimeter springs pull toward a single central focal point, square mini trampolines provide decoupled directional vector lines. This unique dynamic delivers a 24% larger usable sweet spot and predictable edge rebound behavior, making it the preferred choice for commercial fitness studios, pediatric physical therapy, and home high-intensity interval training (HIIT).

1. Kinematic Advantage of Square Geometry

Round trampolines direct energy toward the center, creating a funnel effect. Square mini trampolines utilize independent corner tensioning matrices, creating linear rebound zones. Jumpers experience uniform resistance across the entire mat surface, reducing ankle pronation and joint lateral strain during high-velocity repetition workouts.

2. Advanced Polymer & Mesh Engineering

Our square mini rebounders feature 260g–320g/m² high-density cross-woven polypropylene (PP) jumping mats. Threaded with 8-row reinforced UV-stabilized v-ring stitching, the mat resists over 1,500 N of shear stress per connection point, eliminating tear failures under heavy thermal or moisture exposure.

3. Bungee vs. Tapered Spring Systems

We offer both elastic latex bungee suspensions and heavy-duty steel spring setups. Bungee cords yield a smooth, silent dynamic deceleration curve tailored for indoor residential and commercial gym environments, while tapered anti-fatigue carbon steel springs optimize explosive propulsion for athletic rebound training.

Specification Parameter Commercial Grade Square Rebounder Home Mini Fitness Trampoline Pediatric Enclosed Square Mini
Frame Material Q235 Hot-Dip Galvanized Steel (2.0mm thickness) Cold-Rolled Structural Steel (1.5mm thickness) Seamless Steel Alloy Tube (1.2mm thickness)
Suspension Mechanism 8mm Latex Bungee Cords / Dual Springs Heavy-Duty High-Tensile Springs Silent Elastic Webbing Cords
Mat Permeability High Airflow Permeable PP Mesh Standard UV-Protected PP Fabric Anti-Graze Smooth PP Weave
Weight Capacity Up to 180 kg (396 lbs) Up to 120 kg (264 lbs) Up to 80 kg (176 lbs)
Certifications Passed GS, ASTM F381-16, ISO9001 EN71-14, GS, BSCI ASTM F2225-15, EN71-1-2-3

Company Profile & Manufacturing Hub

Zhejiang Lingsha Technology Co., Ltd. (Funjump) — Leading Manufacturer of Certified Safe Trampolines.

Zhejiang Lingsha Technology Co., Ltd. (Funjump) is committed to producing safe and stable trampolines and can customize a variety of high-quality trampolines for you, including indoor and outdoor, adult and children, fitness and leisure, and so on. We have passed many certifications including ISO9001, BSCI, GS, EN71-14, ASTM, AS4989, and our factory is equipped with a specialized trampoline safety testing lab and inspectors to weed out defective products for you in advance.

Our factory covers an area of 68,000 square meters, with more than one hundred excellent employees, equipped with professional automated production equipment and comfortable staff dormitories, production line daily output of more than 1,500 sets of trampolines, you are always welcome to visit us.

Funjump Factory Campus Overview
68,000 m² Production Facility
Automated Manufacturing Building
Automated Assembly Lines

Why Choose Us: Customer-Driven Engineering Solutions

Solving Industry Pain Points Through Rapid Assembly, Tool-Free Storage, and High-Stability Connectors.
Innovative Tool-Free Assembly Trampoline Structural Design
Tool-Free Foldable Mechanism Patent Innovation

We are also very happy to adopt every customer's opinion, because (Zhejiang Lingsha Technology Co., Ltd.) Funjump is not only our factory, but also every customer's, only the good trampoline recognized by customers is the real good trampoline. For example, before there are a lot of customers to our feedback trampoline installation and storage is more difficult, this is also most of the trampoline's common problems, because you want to take into account the simplicity of the installation and the stability of the trampoline is a very difficult thing, because it requires us to add movable parts on the trampoline and easy to dismantle the connectors, which will greatly affect the stability of the trampoline.

But now with the efforts of our technicians, we designed a foldable fitness trampoline and a mini trampoline that can be quickly disassembled and assembled with almost no tools, and we have been recognized by many customers for this.

We are very happy to reach a long-term cooperation with various foreign trade companies, but also very happy to provide the best service for each of our customers. We now have a lot of partners around the world. Many partners, due to the high quality of our trampolines, maintain long-term cooperation with us; for instance, on the largest e-commerce platform "Amazon", our brand partners consistently achieve top category positions. The fact proves that good products where there will be a market.

Funjump Brand Vision: The meaning of the brand is to let each customer using our trampoline be happy and safe jumping and playing. Trampolines are not only for children—anyone can achieve a healthy body and positive mood on our trampolines. "Funjump" lets joy be at your fingertips!

State-of-the-Art Factory Workshops

Tour our integrated precision metalworking, automated sewing, protective packaging, and finished inventory warehouse facilities.

1. Metalworking & Steel Tube Fabrication Workshop

Metalworking Workshop Bending
Precision Tube Bending
Automated Laser Cutting Machine
Laser Frame Cutting
Robotic Welding Line
Robotic Arm Welding
Steel Surface Finishing
Galvanization Inspection
Frame Stamping Line
Frame Stamping & Drilling
Leg Joint Welding Station
Joint Weld Fortification
Heavy Metal Punching Machine
Automatic Hole Punching
Metal Structural Pre-Assembly
Structure Dimensional Testing
Galvanized Tube Coating
Corrosion Prevention Coating
Spring Attachment Slot Milling
Spring Slot Precision Milling
Metal Frame Polishing Station
Surface Smooth Polishing

2. High-Density Sewing & Jump Mat Stitching Workshop

8-Row Sewing Stitch Line
8-Row V-Ring Sewing
PP Jump Mat Cutting Machine
Automated PP Fabric Cutting
Safety Edge Net Hemming
Safety Edge Hemming
Heavy Sewing Machine Assembly
Precision Strap Stitching
Polypropylene Webbing Inspection
Webbing Tension Inspection
Enclosure Net Zipper Attachment
Double Zipper Attachment
Foam Safety Cover Padding Line
EPE Foam Pad Wrapping
Bungee Cord Loop Assembly
Bungee Loop Assembly
PVC Frame Cover Stitching
Weatherproof PVC Stitching
Industrial Sewing Operators
Skilled Sewing Technicians
Mat Dynamic Tensile Checking
Tensile Strength Pre-Test

3. Drop-Test Cartoning, Packaging & Storage Logistics

5-Ply Export Carton Packaging
5-Ply Corrugated Cartoning
Automated Box Sealing Machine
Automated Box Sealing
Finished Product Storage Racks
Vertical Palletized Storage
Container Freight Dispatch Bay
Container Loading Loading Bay

Rigorous In-House QC & Laboratory Testing

Every production batch undergoes comprehensive stress testing, salt spray corrosion evaluation, and structural cycle tests.
Impact Resistance Test Machine
Dynamic Impact Testing
Spring Fatigue Cycle Rig
Spring Fatigue Cycle Testing
Salt Spray Corrosion Chamber
500H Salt Spray Corrosion
PP Mat Tensile Load Tester
Mat Tensile Load Tester
Enclosure Net Pull Force Meter
Net Mesh Pull Force Calibration
Galvanized Tube Coating Thickness Gauge
Zinc Coating Micrometer Check
Carton ISTA-1A Drop Tester
ISTA-1A Carton Drop Test
Final Finished Product Assembly Inspector
Final Batch Quality Release

Global Market Applications & Localized Customization

Tailored engineering variants developed specifically for regional compliance standards and commercial operational environments.

Urban Micro-Apartments

Designed with folding frame joints and non-marking, acoustic-damping rubber foot caps. Noise transfer is reduced under 40dB, allowing urban apartment dwellers in North America and Europe to perform cardio workouts without disturbing neighbors.

Boutique Rebound Studios

Commercial-grade square rebounders engineered with quick-adjust T-bar handrails. The rectangular frame allows studio owners to pack up to 30% more client stations into standard workout room floor plans.

Pediatric & Sensory Clinics

Featuring springless elastic webbing and 360-degree soft enclosure mesh. Preferred by pediatric physical therapists to improve motor skill development and sensory integration therapy in safe settings.

Frequently Asked Questions (B2B Procurement FAQ)

Clear answers regarding trade terms, payment, warranty policies, minimum order quantities, and OEM factory support.
Q: What is your standard trade term?
A: We support Ex Works (EXW), FOB Ningbo / Shanghai, and CIF destination port agreements to accommodate direct brand shipping or third-party freight forwarders.
Q: What are your terms of payment?
A: Standard payment terms are T/T: 30% T/T deposit paid prior to production line scheduling, with the remaining 70% balance paid upon issuance of the Bill of Lading (B/L) copy. Irrevocable L/C at sight is also accepted for major commercial contracts.
Q: How long is your production delivery time?
A: Peak season (November to June): 35–55 calendar days following deposit confirmation. Off season (July to October): 10–35 calendar days depending on raw material stock and OEM customization requirements.
Q: What is the minimum order quantity (MOQ) for mass purchase?
A: Standard MOQ is 50 sets per individual size/specification. Custom sample evaluation orders are fully accepted for product line qualification.
Q: How many years of warranty coverage do you provide?
A: We supply a 1-Year Manufacturer structural frame & mat warranty. Warranty terms do not cover damage caused by product misuse, unauthorized modifications, or accidental physical abuse.
Q: Do you provide samples? What is the cost policy?
A: Yes, sample units are available upon request. The sample product itself is free of charge, but clients are responsible for covering express air freight costs.
Q: Are you a direct manufacturer or a trading agent?
A: We are a direct manufacturing factory (Zhejiang Lingsha Technology Co., Ltd. / Funjump) operating a 68,000 m² production facility with in-house metalworking, sewing, and testing departments.
Q: Why choose us as your primary supply chain partner?
A: We deliver fully certified trampolines (ISO9001, GS, ASTM, BSCI), professional international sales communication, specialized OEM packaging, and dedicated long-term post-purchase support.

Complete Commercial Product Line

Explore our full line of round, rectangular, and mini square fitness rebounders for international distribution.
Wholesale Custom Round Trampolines with Safety Net
Wholesale Custom 6-16FT Round Trampolines Net & Ladder
Full-size backyard trampoline configuration with weather-resistant safety net and non-slip step ladder.
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Wholesale 14FT Trampoline for Kids Premium Quality
Wholesale 14FT Trampoline for Kids - Premium Outdoor Fun
High-demand 14ft family trampoline designed with padded curved poles and reinforced steel legs.
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Custom 51 Funjump Fitness Rebounder Adjustable Handle
Custom 51" Fitness Rebounder Trampoline - Adjustable Handle
Aerobic adult rebounder featuring an ergonomically designed height-adjustable T-bar handrail.
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Custom Outdoor Trampoline 8FT 10FT 12FT
Custom Outdoor Trampoline 8FT 10FT 12FT for Kids & Adults
Durable yard trampolines with customizable color pads, logo printing, and spring count options.
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Custom Funjump 55 Toddler Trampoline Indoor Outdoor
Custom Funjump 55" Toddler Trampoline Indoor Outdoor
Multi-purpose play trampoline constructed with smooth mesh sides and impact-absorbing foam bumpers.
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Custom ASTM Approved 4X6FT Kids Trampoline with Swing
ASTM Approved 4X6FT Kids Rectangular Trampoline with Swing
Innovative combination trampoline and swing set engineered for safety, meeting rigorous ASTM F381 benchmarks.
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OEM Funjump 6-16FT Round Rebound Trampoline
OEM Funjump 6-16FT Round Rebound Trampoline - Durable Safety
OEM-ready standard round trampoline system optimized for high-volume container shipments.
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China Funjump 55 Mini Indoor Kids Trampoline Safety Net
Funjump 55" Mini Indoor Kids Trampoline Toy with Net
Top-rated indoor play rebounder designed to support healthy physical development in young children.
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Best Sellers Product Breakdown & Technical Details

Detailed product engineering highlights for Amazon category best-sellers and international retail chains.

Funjump Outdoor 6ft-16ft Round Big Bounce Jumping Bed

Funjump's large, round outdoor trampoline, available in sizes from 6 to 16 feet and fully customizable, prioritizes safety above all. As a custom trampoline manufacturer with over 10 years of experience, Funjump uses scientific structural design and high-grade materials to create products that are both exceptionally safe and highly engaging. This trampoline not only provides children with an enjoyable aerobic workout and helps improve dynamic balance and body coordination, but its rock-solid frame and user-friendly assembly also meet demanding commercial and residential requirements.

Funjump 10-14FT Curved Pole Outdoor Recreational Trampoline

Funjump focuses on designing inherently safe trampolines. This curved pole model is perfect for family entertainment and multi-person interactive games. It can be flexibly positioned in indoor sports halls or outdoor yards. Features 360° outer enclosure protection with net poles wrapped in 10mm thick EPE shock foam, wrapping children safely inside. Rigorously load-tested to withstand up to 150 kg static weight capacity.

Funjump 8FT 10FT 12FT Recreational Yard Trampoline

Covers regular sizes including 8ft, 10ft, and 12ft, supporting OEM customization from 6ft to 16ft. Equipped with a 260g UV-proof PP jumping mat processed with 8 rows of precision needle sewing technology, combined with 48 high-strength zinc-plated springs for optimal elasticity and structural longevity. Max weight capacity reaches 100–150 kg with comprehensive anti-corrosion protection suitable for all weather climates.

Funjump 55" Mini Indoor Kids Trampoline with Enclosure Net

A revolutionary mini trampoline specifically designed for toddlers aged 3 to 6. Built with a springless design using high-density elastic ropes to eliminate sharp pinch points. Thick padded outer skirts cover the bungee ropes for an extra layer of protection. High-density surround mesh and a U-shaped double-zipper entrance ensure hassle-free entry and maximum safety during indoor play.

We Are Worldwide — Partnering with Global Supply Networks

(Zhejiang Lingsha Technology Co., Ltd.) Funjump exports high-performance square mini trampolines and outdoor jumping beds to over 50 countries across North America, Europe, Australia, and East Asia. We partner with leading e-commerce sellers, fitness brands, and big-box physical retailers to deliver safer, more durable rebound equipment to homes and commercial facilities worldwide.