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"Quality is our life ,
Customer first priority "
CARBON FIBER MADE IN JAPAN
Product Overview |
Quick Details | ||
Product Type :DIY CARBON HEATING PADS | Model No.: SW-5-4-001 | Application: Warming |
Supply and Service Type : OEM | Shell Material : Polyster | Tech : Battery Heated |
Material Type : Polyster/Carbon Fiber | Filling or Lining : NA | Heating Module :Carbon Fiber |
Place of Origin : Taiwan / China | Season : Cold |
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| Feature : Light & Warm |
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Measuring Guide | |
1 Set
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Neck : 7 x 15 cm or Back : 15 x 10 cm (Adjustable)
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Product Display | ||
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**Our heating pad with following special points :
Our heating system use original Japan Mitsubishi top grade
carbon fibers made to be very safe and stable heating conducted quality.
Patents: With mobile heated carbon fiber Taiwan and China patents
Heating system : Advance carbon fiber 100% safe waterproof heated module against fire, against cold.
Whole our carbon fiber heating system with FCC, CE, ROHS...certificates.

Company History and Information |
Great Sun Tech Corp is a 29 years old company investing various fields of Electronics and Green Energy Development. 2008 We launched and introduced our Fiber heating technology exclusively for Wearable Apparels. Launching our own commercial Brand STAYWARM. We have developed and commercialized Carbon Fiber Heating Wire technology in Taiwan. With more than 10 years of experience, . |
Our Production Capability |
** The whole different heat module/soft touch buttons 3 production line in Shenzhen China Can provide 3000 ~ 5000 pcs modules per day. Great Sun Tech Corp (STAYWARM) have a wide range of products that will be able to meet your requirements-- like client terms of size, quality, price, materials and environmental protection, earth friendly, Health beneficial. At the same time, we insist on the “QC Hour Burning Test" for our apparels prior to shipment. |
Our Show and Exhibition |

Our Values |
1. Continual Investment in Research and Development. |
Production Line and Process |
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Our Core Advantages |
Manufacturing and Marketing advantage With complete industrial chain, can provide one-stop service to meet customer needs. · Flexible response · Manufacturing elasticity · Market orientation clear
Our heating carbon fibers Synthesis basic & Advance technology : Each carbon filament is produced from a polymer such as polyacrylonitrile (PAN), rayon, or petroleum pitch, known as a precursor. For synthetic polymers such as PAN or rayon, the precursor is first spun into filament yarns, using chemical and mechanical processes to initially align the polymer atoms in a way to enhance the final physical properties of the completed carbon fiber. Precursor compositions and mechanical processes used during spinning filament yarns may vary among manufacturers. After drawing or spinning, the polymer filament yarns are then heated to drive off non-carbon atoms (carbonization), producing the final carbon fiber. The carbon fibers filament yarns may be further treated to improve handling qualities, then wound on to bobbins.
How to change carbon molecular bond to get high quality Carbon fibers ?
A common method of manufacture involves heating the spun PAN filaments to approximately 300 °C in air, which breaks many of the hydrogen bonds and oxidizes the material. The oxidized PAN is then placed into a furnace having an inert atmosphere of a gas such as argon, and heated to approximately 2000 °C, which induces graphitization of the material, changing the molecular bond structure. When heated in the correct conditions, these chains bond side-to-side (ladder polymers), forming narrow graphene sheets which eventually merge to form a single, columnar filament. The result is usually 93–95% carbon. Lower-quality fiber can be manufactured using pitch or rayonas the precursor instead of PAN. The carbon can become further enhanced, as high modulus, or high strength carbon, by heat treatment processes. Carbon heated in the range of 1500–2000 °C (carbonization) exhibits the highest tensile strength (820,000 psi, 5,650 MPa or N/mm²), while carbon fiber heated from 2500 to 3000 °C (graphitizing) exhibits a higher modulus of elasticity(77,000,000 psi or 531 GPa or 531 kN/mm²).
Synthesis of carbon fiber from polyacrylonitrile(PAN): 1) Polymerization of acrylonitrile to PAN, 2) Cyclization during low temperature process, 3) High temperature oxidative treatment of carbonization (hydrogen is removed). After this, process of graphitization starts where nitrogen is removed and chains are joined into graphite planes.
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Heated Apparel Jackets Assembly Line |
Great Sun Tech Corp (STAYWARM) next step is the production of the apparels; this forms the basis for the products. Production is 100% in-house to control and maintain product quality. A combination of manual labor and automation is used to achieve optimal efficiency. Our third step is the actual assembly of the apparels. Again this is done 100% in-house to control and maintain our high quality standards. Optimal efficiency is achieved through using both manual labor and automation. It is at this stage where we also implement the burn Hour Burning Test" before shipment to ensure that our heated winter apparels meet the strictest quality standards. |
Core Advantage in-process control & Reliability |
In-process Control Items • IPQC, PQC, OQC • Heated control button function and 100% waterproof • Heated module heating temperature, heating up time, system 100% waterproof • Make article (garment) outer shell • Heated modules sewing or kitting in inner of article (garment) • Whole functions check and test • Article (garment) outward appearance size measurement
Reliability test methods • Control button power on/off, LED, underwater testing •Heated modules 100% waterproof test with hot water 70℃ 60 mins • Fabric waterproof, windproof, Far infrared qualities Q.C • Heating temperature computer software testing record
This is the final stage of the production cycle. Here, the production are packed in either specific cartons (for OEM customers) or our Great Sun Group cartons before they are loaded and shipped to their final destinations. |
OEM/ODM Orders |
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Global Export Market |
10% Southern Asia 6% North Europe
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Product Facility Our certifications & Honors |
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Product Facility |
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1. How to order?
2. Are you a factory or trading company?
----We are integrated. We have our own factory and international trade Groups and R&D team.
3. What are you main product? ----Mainly produce Men's multifunctional jacket, Men’s smart heating vest, Men outdoor padded vest,Women outdoor multifunctional down vest outdoor ultralight earphone padded jacket etc
4. Can i get the samples? ----Of course, samples fee will cut from the more pcs order in future.
5. Can our logo or a simple parameter printed on your products? ---- Yes, it’s ok, there are Silk-screen, Embroidery, Thermal transfer ,etc. we can do it as your request
6. Do you accept OEM services? ----Yes, OEM is accepted, we will do it as your request.
7. How to ship the products? ----Samples usually be shipped by FEDEX, also can be DHL,UPS,EMS And other international express. Bulk order can be shipped by express or sea.
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Our Service |
Thanks for your interest.
Do feel free to leave a message at the end of this page for any further assistance or discussion you may have or require.
We shall be glad to get back to you asap.
Best regards,
Great Sun Tech Corp (Staywarm)
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