Welcome to HFS Technology Co., Limited, we are a professional mobile phone wholesaler.

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About HFS Technology Co., Limited

With 17+ years of experience, HFS Technology Co., Limited is a Hong Kong leading provider of fully tested refurbished mobile devices with a proven track record of quality and operational excellence on B2B customers all over EURO and USA.

Renovation Process

Test Services
1. Appearance
  • Are the front and back cameras dirty or have blue light?
  • Are the screen and back cover warped? Are there bubbles on the screen? If there is a code on the back cover or the screen is not correct, the screen will not be accepted or replaced.
  • If there are hard defects on the buttons or the appearance, they will not be accepted.
  • Shake the battery to see if it is loose or bulging.
2.Manuel test
  • Receiver Test for noise, sound or no sound, check if the screen has backlight, imprint or bright spot.
  • Vibration Test for noise, vibration or no vibration
  • MEGACAM Test for watermark, focus and wide angle. All rear cameras must be tested.
  • TOUCH Test for disconnection, draw on the top blank to see if it can be touched.
  • SPEAKER Test for sound and ringtone.
  • FRONT CAM Test for opening, watermark, focus and light leakage.
  • SENSOR IMAGE TEST Test for gravity and rotation.
  • RCV handset test if there is sound
  • SPK1 speaker test if there is sound
  • SPK2 rear camera test if there is sound
  • E/P earphones change color when plugged in.
  • Insert the card and make a call twice. If the card is not removed, there should be a 5-minute interval between the two calls.
  • When making a call, you must pick up the handset and speaker to check if there is noise.
  • The induction must be tested for induction and automatic induction. If the screen automatically goes black when making a call, all should be turned off.
  • External fingerprints can be displayed with a percentage.
  • Under-screen fingerprint test
  • Face test
  • WIFI test
3.Machines test
  • NSYS AND PHONECHECK double test again , make sure RMA rate lower

About Us

HFS Technology Co., Limited
Your Trusted Partner in Smartphone Solutions
Established in 2021 and headquartered in Hong Kong, China, HFS Technology operates from a 1,000-square-meter facility with a dedicated team of 300 professionals. We specialize in the global wholesale of certified pre-owned mobile devices, including Samsung, iPhone, Huawei, MOTO, and LG models.
  • Global Market Presence
Serving clients across Europe and North America, our customers benefit from flexible procurement cycles with order values ranging from USD 30,000 to 300,000 and an average order frequency of twice monthly.
  • Core Competencies
1️⃣ Extensive Inventory & Rapid Fulfillment
Maintain a diversified stock of 5,000+ devices across multiple brands and generations, with guaranteed shipment within 3-5 business days.
2️⃣ Quality Assurance System
  • Implement NSYS® Certified diagnostic software for full functional testing
  • 100% video-recorded inspection process covering:
        ▸ Display integrity | ▸ Battery health | ▸ Camera performance | ▸ Cosmetic grading

3️⃣ Global After-Sales Network
Leveraging experience servicing clients in 100+ countries, we provide localized warranty support and technical consultation through our 24/7 multilingual team.
4️⃣ Inventory Optimization Solutions
Unique value-added services include:
✅ New product launch priority access
✅ Strategic inventory recycling programs
✅ Customized remarketing support for overstock devices
  • Commitment to Partnership
We combine agile supply chain capabilities with data-driven market insights to help clients:
✓ Reduce inventory holding costs by up to 40%
✓ Accelerate product turnover cycles
✓ Maintain competitive pricing strategies
  • Contact Us Today to discuss customized procurement solutions for your regional market.
📧 hefengshengstock@163.com | 📱 +86 135 2774 2260 | 🌐 https://hfscellphone.com/