Product Description
Freeze-drying is a technique of drying using the principle of sublimation. It is a process in which the material to be dried is quickly frozen at a low temperature, and then in a suitable vacuum environment, the frozen water molecules are directly sublimated into water vapor. Freeze-drying The product is called a lyophilizate, and the process is called lyophilization. The substance is always at low temperature (frozen state) before drying, and the ice crystals are evenly distributed in the substance, and the sublimation process will not be concentrated due to dehydration, avoiding the effects of foam and oxidation caused by water vapor. The dry substance is porous in the form of a dry sponge, the volume is basically unchanged, and it is easy to dissolve in water and return to its original shape. Prevents physical, chemical and biological denaturation of dry matter.
Q&A
Q: Questions about invoicing?
Answer: The prices of the products (mechanical equipment) sold by our company are all tax-free prices. If you need to issue a value-added tax invoice, you need to calculate the tax separately. If you don't need an invoice, a receipt will be attached.
Q: Questions about equipment delivery?
Answer: The products (mechanical equipment) manufactured by our company are large-scale commodities, and they are shipped by default. The seller will bear the logistics and other costs. The actual cost will be calculated by the logistics company. We will try our best to negotiate with the logistics company for you. contact you.
Q: Questions about equipment receipt?
Answer: When the customer receives the product (mechanical equipment), please carefully check the appearance and sign for the goods after confirming that they are complete and undamaged. Please do not sign for the goods without inspection. The company and the special car do not have any responsibility, and we cannot assist you in claiming with the logistics company.
Q: What about after-sales service and guarantee?
Answer: Our company solemnly promises that if our company is confirmed as a supplier, our company will provide high-quality and complete after-sales service for products (mechanical equipment) according to the following terms.
1. The company is responsible for the on-site installation and commissioning of large-scale equipment. After the equipment is installed, it will guide and train the operators designated by your company so that they can master the operation methods of the equipment and perform general equipment maintenance.
2. In order to ensure the ideal operation effect of your company's equipment, professional maintenance personnel will be regularly arranged to inspect and provide maintenance for the product (mechanical equipment) during the warranty period.
3. When the equipment fails, please communicate with us in time, so as to mobilize maintenance personnel to the site for maintenance in time to ensure the normal operation of the equipment.
4. From the date of equipment acceptance and delivery, provide one-year warranty for the product (except for man-made damage, natural disasters and force majeure damage), provide long-term consultation and guide related technical issues during use.
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