Masks gas exchange differential pressure meter (mask ventilation resistance detector) mainly applied to medical surgical masks/mask weaving gas exchange measurement of pressure difference, also can be used to determine the differential pressure gas exchange other textile materials.
Q1: What is your warranty ?
A: 12 months product warranty, but lifetime for services. Free Non-consumable components will be provided if any performance failure occurs within 12 months, caused by non-human damage.
Q2: How-to video provided ?
A: Yes. If required, our engineers will record a specialized how-to video for you.
Q3: Are your company a trading one or a factory?
A: Yes, we are a manufactured factory & trade (integration).15 years focusing on test instruments field. Six years exporting experience, warmly welcome to visit our plant (factory), we also support OEM and ODM.
Q4: After an order is placed, when to deliver?
A: Generally about 15 days. If we have inventory, we can arrange shipment within 7 days. Please be aware that our production lead times depend on specific items and item quantities.
Q5: What about the after-sales service and product’s quality?
A: 12 months warranty. After the warranty, the professional after-sale service team will provide perfect technical support. And help the customer solve problems encountered while using our product, handles problems and complaints professionally and timely. Each of the instruments must be carried out 100% quality examination and test when shipping and delivery goods. Product use training, each of our product provide video training to show you how to install & operate. Engineers would be to go abroad for training and repairing.
Q6: What about the packing of equipment?
A: Covered with air bubble film before put the machine into the standard exporting wooden case, which not only has good shock absorption, impact resistance, heat SSO has the advantages of nontoxic, odorless, moisture corrosion, good transparency etc.
