Custom Hot & Cold Packs for U.S. Brands
Bring your gel pack or therapy-wrap program to market with OEM/ODM manufacturing, private-label branding, custom packaging, and documentation support. Built for U.S. healthcare, sports, wellness, and retail brands.
Get a Custom QuoteA Manufacturing Partner for U.S. Brands
From early product development through quality-controlled production and private-label packaging, we help you build a program for your customers and sales channel.
27+ Years of Manufacturing Experience
Decades of experience developing and producing reusable therapy products.
ISO 13485 Quality Management
Quality management support for applicable medical-device programs.
Custom Formula, Shape & Packaging
Configure product format, materials, branding, and packaging for your program.
China & Cambodia Manufacturing
Dual production bases support capacity, quality control, and supply flexibility.
Get a Custom Manufacturing Quote
Share your product type, target quantity, sales channel, and branding or packaging requirements. Our team will recommend an appropriate manufacturing approach for your project.
Popular Customizable Pack Designs
Start with a proven hot and cold therapy design, then customize the material, shape, branding, accessories, and retail packaging for your program.
Industry Solutions
Personal Care
Specially designed for daily personal care at home, it provides a physical relief solution for various daily discomforts across all scenarios. It can be used for both cooling and heating, and is convenient and easy to use. It is a must-have item for daily health care for the whole family.
Sports Injuries
A professional-grade cold and hot compress solution tailored for athletes, covering emergency cold compress for acute injuries, post-exercise fatigue relief with hot compress, and injury prevention and rehabilitation assistance suitable for all sports scenarios.
Outdoor Camping
Tailored for outdoor travel scenarios such as camping, hiking, mountaineering, and self-driving, this product combines food preservation and emergency care into one, thoroughly addressing the temperature control needs in outdoor environments without power supply.
Postoperative Care
The medical-grade standard postoperative cold and hot compress solution is mild and hypoallergenic, with precise and controllable temperature, aiding in postoperative swelling reduction and pain relief, and providing safe physical soothing care for home postoperative rehabilitation.
Pet Care
The pet-friendly cold and hot compress pack is specifically designed for pets such as dogs and cats. It is non-toxic and resistant to biting, making it suitable for home care in various scenarios such as sprains, arthritis, postoperative recovery, fever reduction, and more.
Customization options
Customize shape, size, gel formula, outer materials, straps, logo printing, retail packaging, and shipping marks for your U.S. program.
CONSULTATION
Communicate your needs and product requirements.
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DESIGN & QUOTATION
We provide professional design and customized solutions.
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QUOTE & ORDER
Confirm the plan, quotation and order details.
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PRODUCTION
Mass production with strict process control to ensure consistent quality.
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DELIVERY
Custom packaging and reliable shipping coordination for safe, on-time delivery.
Dongguan Zejin Biotechnology Co., Ltd. - Cryozin
Cryozin Dongguan Zejin Biotechnology Co., Ltd., founded in 1999, is a professional enterprise specializing in the development, sales and service of ice packs. Based in Dongguan, Guangdong with convenient transportation, we also run an overseas factory in Cambodia to fulfill orders from global customers.Our experienced team implements strict quality control and thoughtful customer service. We provide in-depth customization to fully meet client needs. Our products hold FDA, CE and other certifications, selling well across China and exporting to the U.S., Europe and other regions, winning wide recognition.We welcome orders worldwide. Supported by a professional R&D and customer service team, we assist with both catalog product selection and new product development. Feel free to discuss your purchasing needs with us.International Certification
We can support product documentation and quality information for your program, including material specifications, testing records, labeling details, and applicable certificates. Requirements vary by intended use, claims, product configuration, and sales channel, so please share your requirements and we will confirm the documentation available for your project.
We select gel formulas, outer films or fabrics, and construction options based on the intended application and product requirements. Samples and specifications can be reviewed before production, and final material selection should be confirmed against your labeling, performance, and market requirements.
Yes. We offer anti-freeze gel options designed to remain flexible at freezer temperatures. Flexibility and cooling duration vary by formula, pack size, and freezer setting, so we recommend sample evaluation for your specific application.
Yes. We can support custom shape, size, gel formula, materials, straps, logo printing, accessories, retail packaging, and shipping marks. Share your concept, target quantity, market, and requirements, and we will recommend an appropriate development and manufacturing path.
