Shenzhen Kai Rui Technology Co., Ltd.
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Shenzhen Kaisirui Technology Co., Ltd
🇨🇳 China
2023101-200 peopleManufacturer/Trading Company/Service CompanyOEM manufacturer
ODM manufacturer
Own brand
Product customization
Key market
South America
Review
4.3
Description
Shenzhen Kaisirui Technology Co., Ltd. is a professional manufacturer and trading company based in Shenzhen, China, specializing in the production and distribution of consumer electronics and fast-moving consumer goods. Established with a foundation dating back to 2008 through its parent company's mold and injection molding departments, the firm has expanded into a comprehensive service provider offering product development, mold manufacturing, hardware processing, SMT, DIP, and final assembly. The company operates with a workforce of 101 to 200 employees and maintains a significant monthly production capacity of approximately 500,000 sets.
Their diverse product portfolio focuses on smart wearable technology and personal electronic devices, including smartwatches, fitness trackers, TWS earphones, and Bluetooth speakers. Additionally, the company specializes in small home appliances and personal care electronics such as neck fans, neck warmers, humidifiers, air purifiers, and UV disinfection tools like toothbrush and mobile phone disinfection boxes.
As an integrated manufacturer with its own factory facilities, Shenzhen Kaisirui Technology Co., Ltd. provides robust OEM and ODM services, leveraging years of experience collaborating with international brands. Their scientific quality management system supports large-scale foreign trade orders, with primary export markets spanning Europe, North America, Japan, and South Korea. The company is recognized for its technical strength in hardware and electronic assembly, catering to global B2B clients seeking reliable sourcing and custom manufacturing solutions.
P75 Smart Watch Colorful Screen Many Dial Plates 24 Sports Modes Long Endurance All Weather Health Monitoring Compass IOS$12.08
S40Z Smart Watch for Man Woman TFT Display Call Answering Sleep Tracking Dial Call Function Android IOS Silica Gel$7.5
AIMB-V3 Sports Smart Glasses Handsfree Open Music Sunglasses Wireless UV Protection Touch Control BT Call Magnetic Rechargeable$4.5
2025 H31 Smartwatch 1.91Inch Outdoor Sport BT Call Heart Rate Blood Pressure Waterproof Smart Watches for Men$12.5
PPG AMOLED 1.43 Inch Smart Watch Colorful Large Screen IP68 Waterproof Multiple Sports Modes Blood Oxygen S61 Compass Magnetic$15.5
Women's P90 Smart Watch 1.85 Inch TFT Waterproof Fitness Tracker Multi-Function (IOS Android) Heart Rate Compass Answer Call$14.2
4G Video Call Kids Smart Watch B32 AI Voice Assistant GPS/WIFI/LBS Location IP67 Waterproof Pedometer Alarm Clock for Boys Girls$12.8
Y1 Smart Watch Remote Control Answer Call Heart Rate Tracker TFT Display Silica Gel Band Compass Function IOS Operation System$13.2
2025 Custom P72 Smartwatch Outdoor IP68 Waterproof Sports Smart Watch With Heart Rate Fitness$10.5
Wholesale S47 Outdoor Sports Smartwatch 1.39 Inch Screen GPS Thermometer Compass Calendar-Multi-Sport Mode for Android IP67$20.2
S57 High Quality Advanced Smartwatch with 1.43" AMOLED Screen Health Monitoring & Sports Modes Wearable Technology for Importers$15.2
Wholesale P45 PLUS PRO MAX Smartwatch Series 7 HW12 PLUS W37 IWO7 HW22 Full Touch Screen Reloj Compass Function Silica Gel Band$11.2
Shenzhen Kairui Opto-Elec Co., Ltd.
🇨🇳 China
201511-50 peopleManufacturer/Trading CompanyOEM manufacturer
Product customization
ODM manufacturer
Shipments
13
Key market
North America
Review
4.6
Description
Shenzhen Kairui Opto-Elec Co., Ltd. is a professional manufacturer and trading company established in 2015 and based in Shenzhen, China. The company specializes in the design and production of mobile device accessories, with a core focus on high-quality tempered glass screen protectors, including 3D curved, anti-blue light, privacy, and oleophobic coating variants. Their expanded product portfolio also includes mobile phone cases, TWS earbuds, gimbal stabilizers, phone mounts, and portable power banks.
Bathroom Anti-slip Wall Mount Touch Screen Shower Phone Holder Waterproof 360 Degree Rotation Shower Mobile Phone Stand$0.99
20-in-1 Multifunction Round Portable Small Keyboard Car Earphone Earbud Laptop Electronics Cleaner Kit$1.19
Anti Scratch 9H Tempered Glass Screen Protector Film Screen Guard for Alienware Area 51m M16 X16 M18 X14 X17 X15 M15$1.99
Smart Ring Protector Cover for Oura Ring Gen3/SAMSUNG Galaxy Ring/ULTRAHUMAN Ring AIR/RingConn Thin Soft Silicone Case$0.39
58 60 65 70 75 77 85 86 Inch Tv Screen Protector Acrylic Anti Scratch Hanging Anti Blue Light LCD TV Screen Protector Filter$4677.02
Luxury Aluminum Alloy+Leather Anti-Drop Shockproof Aroma Mobile Phone Protector Case cover for iPhone 12 13 14 15 Pro Max Plus$8.9
Wholesale 3D Sublimation Vacuum Heat Press Printing Heat Transfer Machine Customization DIY Phone Case Making Machine$215
HiFi Stereo True Wireless Earbuds BT5.4 Long Battery Life Touch Control In-Ear Headphones for Gaming Sport Ear Clip Design$5.5
2in 1 9H Clear Anti-scratch Tempered Glass Screen Protector Camera Lens Protector for Samsung Galaxy S22 S23 S24 S25 Plus$0.49
9H Silk Anti Scratch Dust Free Phone Tempered Glass Screen Protector Film for iPhone 17 16E 16 15 14 12 13 11 Pro Max Plus$0.45
Easy Installation Kit Applicator Dust Free Phone Tempered Glass Screen Protector Film for iPhone 17 Pro Max air$1.02
Luxury Clear 2.5D 9H Anti-scratch Eye-protecting Red Light Mobile Phone Screen Protector Film for Realme C75 C55 C53 C61 C63$1.59
