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WHY CHOOSE US

Whose Factory Located In Dongguan, Founded In 2010.

BSCI ISO Audit Certified. With 46 Injection Machines and 10 Aging Test Machines (can test 10,000 pcs items each time).

15,000 Square Meters factory area, 500 Workers, with Own Mould Factory and 10 ID Designers.

Support OEM ODM Service with 5 Times QC Checking Before Shipment throughout all stages of production, enabling us to guarantee Total Customer Satisfaction. 24H Aging Test One By One to ensure quality.

Help Over 80% Amazon Sellers and Mercado Libre Sellers with Defective Rate Less Than 5%, making them the TOP 10 in the industry.
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Why Brands Choose Us?

80% of our clients are Amazon / BOL / Allegro Top Sellers
Private Mold Execution & Tooling Support

Private Mold Execution & Tooling Support

Full Certifications

Full Certifications

<5% Return Rate

<5% Return Rate

Exclusive Distribution Available

Exclusive Distribution Available

Free Logo & Box Design

Free Logo & Box Design

7-Step QC & Aging Test

7-Step QC & Aging Test

Every product undergoesincludingbattery performance, air pressure, input/output testing, and aging tests.With adedicated QC team,we maintain areturn rate below 5% , protecting your reputation and reducing operational risk.
Dedicated Project Manager

Dedicated Project Manager

OurBSCI ISO certified factoryoperates with30,000 units daily capacityand15,000㎡ production space.Fromprivate moldstoODM development in 25 days , our system ensuresstable, predictable supplyeven during peak seasons.
Stable Production & On-Time Delivery

Stable Production & On-Time Delivery

Private molds ,patented designs,andexclusive distribution optionshelp youcontrol your marketand avoidprice wars.With adedicated project manager,every order is carefully tracked from tooling to delivery, keeping your launch schedules and sales plans intact.

Help Sellers To Be TOP 3 In Their Sales Channel

Reliable products and stable supply designed for competitive marketplaces.
One-Stop Outdoor Emergency Solutions
Specialized in Air Pumps, Jump Starters, Solar Power Banks, and High-Power Blowers
Shenzhen Shengyi Technology Co.,Ltd

Factory Video Showcase

Explore our factory through real production videos and discover how every Shengyi product is made. From precise component assembly to rigorous quality testing, each step reflects our commitment to reliability and innovation. Our modern workshops, advanced testing equipment, and skilled technicians ensure that every air pump, jump starter, and solar power bank meets the highest standards before delivery. Experience the power of professional manufacturing — transparent, efficient, and trustworthy.

Professional Certificates

We firmly adheres to the concept of compliance, ensuring every product is reliable and safe to use.

Our Product Series

Jump Starter+Air Pump
Jump Starter+Air Pump
Air Pump
Air Pump
Solar Power Bank
Solar Power Bank

CY56 Car Battery Jump Starter Power Bank with 2000A Peak Current & 15W Wireless Charging System

$28.99
The CY56 is a multifunctional automotive emergency jump starter designed for passenger cars, motorcycles, and trucks. It combines high-current starting capability, wireless charging, LED emergency lighting, and portable power bank functionality into one compact system.
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CY53N 12V/24V Heavy Duty Jump Starter with 4000A Peak Current & Emergency Power System

$40.99
The CY53N is a high-performance automotive emergency jump starter designed for 12V and 24V vehicle systems. It integrates high-current starting capability, LED emergency lighting, and portable power bank functionality into a single rugged unit.
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1920 Portable Car Jump Starter Power Bank (5-in-1 Emergency Tool Kit)

$22.99
The Model 1920 is a high-performance portable car jump starter power bank designed for passenger cars, motorcycles, trucks, and emergency roadside situations. Built with a high peak current output and multifunctional design, it integrates jump starting, power bank charging, LED lighting, and emergency tools into one compact device.
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CY62 5-in-1 Car Jump Starter 2000A with 8000mAh Battery, LCD Display & USB-C Fast Charging

$24.99
The CY62 is a compact 5-in-1 portable jump starter designed for vehicle emergency starting, mobile charging, and outdoor power supply. It delivers strong 2000A peak current performance with an integrated 8000mAh lithium battery system.
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Y-QB15 Portable Tire Inflator Air Pump for Car

$11.99
The Y-QB15 Portable Tire Inflator is a compact and efficient electric air compressor designed for fast and reliable tire inflation. Built with a durable plastic housing and equipped with a digital LCD display, it provides accurate pressure monitoring and stable performance for everyday driving and emergency situations.
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MI01 Wireless Tire Inflator 12V Portable Electric Air Pump with LCD Digital Display

$10.99
The MI01 is a compact cordless tire inflator designed for fast, accurate, and portable inflation of car, motorcycle, and bicycle tires. It features a digital LCD pressure display, preset pressure control, and automatic shut-off for safe and precise operation.
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BK10 Wireless Portable Tire Inflator Air Pump for Motorbike & E-bike

$16.29
The BK10 Wireless Tire Inflator is a compact and lightweight portable air pump designed specifically for motorbikes, e-bikes, bicycles, and other small inflatable products. Equipped with a digital pressure gauge, fast Type-C charging, and cordless operation, it delivers convenient and efficient inflation for daily commuting and emergency roadside use.
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YQ01 Wireless Portable Tire Inflator Pump 150PSI Fast Inflation Air Pump

$19.60
The YQ01 is a compact cordless tire inflator designed for fast inflation, real-time pressure monitoring, and emergency roadside support. Built with a high-efficiency 120W motor and 32L/min airflow system, it delivers rapid inflation performance for compact cars and motorcycles.
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ZL-602-2 Solar Wireless Power Bank 20000mAh PD35W with Magnetic Charging & SOS Light

$17.39
The ZL-602-2 is a multifunctional outdoor power bank combining fast charging, wireless magnetic charging, and solar-assisted energy input. Designed for portable use in outdoor, travel, and emergency scenarios, it delivers stable high-power output for smartphones, tablets, and small electronic devices.
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PB074B 10W Ultra Slim Portable Power Bank

$7.79
The PB074B Portable Power Bank is a lightweight and ultra-slim charging solution designed for smartphones, tablets, earbuds, and other USB-powered devices. Featuring a Li-Polymer battery, dual USB outputs, and Type-C input, it delivers stable and reliable charging performance for everyday use, travel, and business applications.
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905 20000mAh Portable Solar Power Bank with 15W Wireless Charging

$16.29
The 905 Solar Power Bank is a high-capacity portable charger designed for outdoor adventures, travel, emergency backup, and everyday mobile charging. Featuring a 20000mAh Li-Polymer battery, 15W wireless charging, PD22.5W fast charging, dual USB outputs, and solar charging capability, it provides reliable power wherever you go.
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QC86 20000mAh Waterproof Solar Power Bank

$10.59
The QC86 Solar Power Bank is a portable high-capacity charging solution designed for outdoor activities, travel, camping, and emergency backup power. Equipped with a 20000mAh 18650 lithium battery, dual USB outputs, solar charging capability, and a durable waterproof housing, it provides reliable power whenever conventional charging is unavailable.
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