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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

Looking for a Reliable OEM/ODM Factory in China?

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