Proof Waterproof Phone Case Durable Protection
Product Specifications
- Color
Contact Supplier
Product Highlights
- IPX8 Waterproof Certification: Certified by SGS and EMTEK for 100% waterproof protection up to 30 meters depth.
- Advanced Molecular Welding: 27.12 MHz phase-locked welding and nano-crystalline injection molding ensure zero-weld-line seams.
- Universal Phone Compatibility: Fits all mobile phones ranging from 4.5 to 8.5 inches with touch accessibility.
- Custom Logo Service: Accepts custom logo printing with sample time of 2-3 days for existing samples.
- Eco-Certified Materials: Manufactured from TPU or PVC that passed EMTEK environmental tests.
- Floats on Water: Designed to float, ensuring safety and easy retrieval during water activities.
- Camera-Ready Functionality: Allows taking photos and videos underwater without affecting operation.
- Flexible Customization: Offers full, minor, and flexible customization options including material and dimensions.
Product Attributes
- Customization
- Available
- Color
- Multiple Colors
- Size
- Large Size
- Model NO.
- 8805
- Waterproof Level
- IP8
- Material
- PVC
- Usage
- Phone Waterproof
- Customed
- Accept Customization
- Product Dimensions
- 24*13.5 *6 Cm
- Logo
- Custom
- MOQ
- 1000PCS
- Sample Time
- 2-3 Days -- Forexisting Samples
- Logistic
- by Air by Sea
- Suitable Sports
- Universal
- in Stock
- Yes
- Lanyard Length
- Yes
- Floats on Water
- Yes
- Camera-Ready
- Yes
- Take Photos & Videos
- Yes
- Eco-Certified
- SGS/Emtek
- Transport Package
- Shipping Carton
- Specification
- General
- Trademark
- SIJIA
- Origin
- Tianjin
- HS Code
- 39269090
- Production Capacity
- 500, 000 Per Year
- Package Size
- 64.00cm * 44.00cm * 33.00cm
- Package Gross Weight
- 10.200kg
- Lead Time
-
2 days (1 - 1000 Pieces)
4 days (1001 - 5000 Pieces)
7 days (5001 - 10000 Pieces)
To be negotiated ( > 10000 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Proof Waterproof Phone Case Durable Protection
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Proof Waterproof Phone Case Durable Protection -
Proof Waterproof Phone Case Durable Protection -
Proof Waterproof Phone Case Durable Protection -
Proof Waterproof Phone Case Durable Protection -
Proof Waterproof Phone Case Durable Protection -
Proof Waterproof Phone Case Durable Protection -
Proof Waterproof Phone Case Durable Protection
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Product Description
Our self-built "aerospace-grade" technology platform combines:
27.12 MHz phase-locked molecular welding for seamless, zero-weld-line seams
Nano-crystalline injection molding with 0.005 mm cavity tolerance
Quantum ultrasonic welding at 40 kHz variable frequency, delivering joint strength ≥ 95 % of the parent material—no adhesives, greener by design
For ten years we have done one thing only: keep water outside your gear. With molecular-level craftsmanship we redefine water-friendly equipment, making every moment in and around water supremely comfortable and safe.
Product Name | Waterproof Mobile PhoneBag |
Material | PVC |
Size | 19.5*20 CM |
Logo | Custom |
Package | 1pcs/opp or custom |
MOQ | 1000pcs |
Sample Time | 2-3 days -- forexisting samples |
5-7 days -- for customized logo | |
Logistic | By air - We delivery the goods via UPS, DHL or Fedex, Door to Door service |
By sea - We have long term cooperated forwarder will can help you | |
Feature | 1. High Quality,durable material: transparent PVC |
2. Waterproof case pouch bag,100% Waterproof within 30 meter depth; IPX8 waterproof certified by SGS;Good sealing effect, photography in the water without making any change | |
3. Universal,compatible with all mobile phones, from 4.5-8.5inch mobile phones | |
4. Safety,easily attaches for safe, easy carrying when swimming | |
5. Convenience,touch Accessibility.Won't affect the operation of your phone |
About the Supplier
This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASI256787". Items marked "
" are certified.
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Company Profile
Tianjin Sijia Technology Co., Ltd. Was established in 2015 and is located in Tianjin. It specializes in the production and research and development of waterproof phone cases, swimming bucket bags, beach shoes, wading shoes, water shoes, and non-inflatable swimming rings and other water sports equipment. It has successively served central state-owned enterprises in the cultural and tourism industry, as well as chain water parks and hot springs such as Happy Valley Maya Water Park, Huaqiang Fangte, Chimelong in Guangzhou, Atlantis in Hainan, Poseidon in Harbin, and Yinzijia in Zhengzhou. It has long-term strategic cooperation with leading domestic brands such as Li-Ning, Xtep, Peak, Jordan, Hongxing Erke, Little Yellow Duck, Yimei Shan, Sanqi, and Kaidilong, providing better product experience and service. Since 2019, Sijia has entered the international market through a three-stage process of "certification first, then samples, and then bulk production". Currently, export business accounts for 45% of the company's production capacity, with direct customers covering 42 countries and indirect access to over 280 water parks and retail terminals worldwide.
The company has a 3, 000 square meter manufacturing base with an annual production capacity of 6 million waterproof bags, 1.5 million pairs of wading shoes, and 200, 000 non-inflatable swimming rings. It is a high-tech enterprise integrating research and development, design, innovation, and environmental protection. The cooperation forms include OEM, ODM, and OBM. For over 10 years, it has been dedicated to doing one thing - keeping water out of the equipment. With molecular-level technology, it redefines water-friendly equipment, providing an "extreme comfort and safety" experience for every water encounter. It is committed to becoming the leader in water scene protection equipment in China and a new international benchmark.
All raw materials are dual-certified by international SGS and EMTEK for environmental compliance, with 100 % traceability from pellet to product.
Our campus operates intelligent production lines anchored to a self-built, aerospace-grade technology platform:
Frequency-molecular fusion: Phase-locked at 27.12 MHz, delivers full-penetration, zero-weld seams; Waterproof pouches certified to IPX8 immersion.
Nano-crystalline injection: Mold-cavity tolerance held to 0.005 mm for micron-level accuracy.
Quantum-ultrasonic welding: 40 kHz variable frequency, bond strength ≥ 95 % of parent material, zero-adhesive and greener.
One-shot injection molding at 160-170 °C merges upper and outsole into a seamless, stitch-free unit-eliminating traditional de-lamination risk.
Adhesion + seam-sealed tape survives -20 °C flex tests without cracking.
One-piece knitted Flyknit uses 3D bio-mimetic weaving to mirror the foot's anatomy like a second skin while cutting weight by 35 %.
Warp-knitted Jacquard employs 0.8-1.2 mm precision vents to deliver 600-900 mm s¹ airflow (ASTM) for marathon-level breathability, yet retains ≥ 15 N mm¹ lateral support for zero distortion on hard cuts.
Fused into a single system, these black-grade technologies create submarine-grade sealing plus ultra-precision comfort-redefining the waterproof footwear experience.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Xiaowang Yushi Industrial Park, Qiaobei Street, Ninghe District, Tianjin, China
-
Plant Area
- 1400 square meters
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- T/T
-
International Commercial Terms(Incoterms)
- FOB
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 500 pieces
-
Supply Chain Partners
- 7
Our Production Capability & Technical Expertise
-
Main Products
- Phone waterproof bag, Beach shoes, Swimming ring, swimsuit
-
Production Lines
- 3
-
Production Machines
- Automatic high-frequency machine, Crusher, Cutting machine, Dao Furnace, Fusion machine, High-frequency machine, Hydraulic punch press, injection molding machine, Mixer, pad printer, Punch press, Roasting machine, sewing machine, Slitting machine, Sole injection molding machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2015-03-17
-
Export Year
- 1 year
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
FAQ
- What is the waterproof rating of the case?
- The case is certified to IPX8 by SGS and EMTEK, providing 100% waterproof protection within 30 meters depth.
- What is the minimum order quantity?
- The minimum order quantity is 1000 pieces for standard orders, though the company profile mentions 500 pieces for general inquiries.
- Can I customize the logo on the phone case?
- Yes, we accept custom logo printing. Sample time is 2-3 days for existing samples and 5-7 days for customized logos.
- What materials are used to make the case?
- The cases are manufactured from TPU or PVC that has passed EMTEK environmental tests.
- Does the case work with all phone sizes?
- Yes, it is universal and compatible with all mobile phones from 4.5 to 8.5 inches.
- How long does it take to deliver the goods?
- Sample time is 2-3 days for existing samples. Bulk production lead time is within 15 workdays during peak or off-peak seasons.
- Can I take photos underwater with this case?
- Yes, the case is camera-ready and allows you to take photos and videos underwater without affecting phone operation.
- What are the payment terms?
- The terms of payment are T/T (Telegraphic Transfer).
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