Zhengzhou Winsen Elec Tech MQ-4
181 In stock
Specification
| Attribute | Value |
|---|---|
| Mfr.Part.# | MQ-4 |
| Manufacturer | Zhengzhou Winsen Elec Tech |
| Product Category | Gas Sensors |
Shopping Guide
| Shipping | Delivery period | For in-stock parts, orders are estimated to ship out in 2 days. Chipmall.com ships orders once a day at about 5pm except Sunday. Delivery time/day： Southeast Asia 2-3 days USA/Canada 2-4 days Australia 2-4 days Europe 3-6 days South America 4-7 days Middle East 5-8 days Africa 5-8 days |
| Shipping rates | Shipping rates for your order can be found in the shopping cart. | |
| Shipping option | We provide UPS, DHL, FedEx, SF Express. | |
| Shipping tracking | We will notify you by email with tracking number once order is shipped. You can also find the tracking number in order history. | |
| returning/warranty | Returning | Returns are normally accepted when completed within 30 days from date of shipment， please contact customer service for a return authorization. Parts should be unused and in original packaging. Customer has to take charge for the shipping. |
| Warranty | All Chipmall.com purchases come with a 30-day money-back return policy, plus a 365-day Chipmall.com warranty against any manufacturing defects. This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation | |
| Ordering | How to Buy | Chipmall.com accepts online orders. Add to cart > Check out > Submit order > Complete payment >Delivery |
| payment | PayPal, Credit Card includes Visa, Master, American Express. (Wire Transfer, available for order over 800 USD.) |
1.Shipping
•Delivery period
For in-stock parts, orders are estimated to ship out in 2 days.
Chipmall.com ships orders once a day at about 5pm except Sunday.
Delivery time/day：
Southeast Asia 2-3 days
USA/Canada 2-4 days
Australia 2-4 days
Europe 3-6 days
South America 4-7 days
Middle East 5-8 days
Africa 5-8 days
•Shipping rates
Shipping rates for your order can be found in the shopping cart.
•Shipping option
We provide UPS, DHL, FedEx, SF Express.
•Shipping tracking
We will notify you by email with tracking number once order is shipped.
You can also find the tracking number in order history.
2.returning/warranty
•Returning
Returns are normally accepted when completed within 30 days from date of shipment， please contact customer service for a return authorization.
Parts should be unused and in original packaging.
Customer has to take charge for the shipping.
•Warranty
All Chipmall.com purchases come with a 30-day money-back return policy, plus a 365-day Chipmall.com warranty against any manufacturing defects.
This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation
3.Ordering
•How to Buy
Chipmall.com accepts online orders.
Add to cart > Check out > Submit order > Complete payment >Delivery
•payment
PayPal, Credit Card includes Visa, Master, American Express.
(Wire Transfer, available for order over 800 USD.)
Shopping Guide
Q: Where is Chipmall located in? When Chipmall established?
A: HONGKONG, established in 2006.
Q: Is Chipmall a sole proprietorship and independent business?
A: YES.
Q: What are your main products and markets?
A: We sell about 300 brands of electronic Components all over the world, The product lines include various kinds of semiconductor parts, interconnect devices, passive components and electromechanical components.. And our main markets are Europe and Asia. Among the brands distributed, there are more and more Chinese alternative brands.
Q: Are Chipmall website stocks and prices real and effective?
A: Yes, you can order online directly and we ship in 24 hours Service providers, contracted by Chipmall.com Limited, to recognize repeat users and analyze behavior. No personally identifying information is stored within or transmitted through these persistent cookies.
Q: Where does the stock data on the Chipmall come from?
A: Chipmall.com’s inventory is sourced from electronic component manufacturers and their authorized channels.
Q: Are prices negotiable?
A: Published prices are not negotiable. Published prices at chipmall.com are determined solely by the electronic component manufacturers and franchised distributor divisions. We inform these sellers of market trends, but play no active role in pricing except for offering sitewide discounts or other chipmall.com promotions.
Q: Can I submit purchase orders via email?
A: We appreciate that the business processes of some of our customers do not allow purchasing agents to enter purchase orders online. We also appreciate that some buyers are simply uncomfortable placing orders online. We welcome all orders at chipmall.com, online and offline, and we have a skilled e-commerce support team waiting to assist you.
Q: How is shipping arranged?
A: Customers can choose industry-leading freight companies, including FedEx, UPS, and DHL, at check-out. All relevant shipping and tracking information, including airway bill numbers, is provided automatically upon shipment of each purchase.
