Includes all taxes
Pre-sales Service
Support Blind Dropshipping
All orders are shipped in neutral packaging without any Marketing Advertising/Brand/Aliexpress Logo.
Support Wholesale
You can contact us if you have a large number of purchases, we can provide a more favorable quotation.
Delivery Time
Under normal circumstances, we will ship the goods within 24 hours of your payment.
After-sales Service
Package Lost
Full Refund or Reissue
Product Damaged/Unavailable
Full Refund or Reissue
unleaded
Tin (Sn): 99.7% ; Copper(Cu): 0.3%
Diameter:0.6mm/1.0mm
Weight : 20g/30g/50g/100g (Including Roll Weight)
Instructions:20g(Net:10g),30g(Net:20g),50g(Net:30g),100g(Net:80g)
Effective Rosin Flux Core Cleans The Surface
During soldering spatter less, smoke less, smell feel relaxed
Good solderability, Insulation resistance, no spattering and Non-corrosive.
Suitable for Widely used in electrical, electronics and others
【 High quality lead-free solder wire 】Our wires are made of high quality, environmentally friendly lead-free solder, RoHS compliant and suitable for a wide range of welding tasks.
【 Rosin core flux 】The rosin cored flux is built into the wire to ensure excellent welding performance. The rosin core flux is evenly distributed, so that the solder joint is firm and smooth, and the welding quality is improved.
【 Wire performance 】Low melting point, good activity, high insulation resistance, fast welding speed, reduce the thermal shock caused by welding components. Reduce welding time and improve production efficiency. Suitable for fine welding operations and various electronic parts maintenance.
【 Widely used 】Lead-free solder wire is widely used, suitable for electronic repair, circuit board manufacturing, lead-free welding, model making, DIY projects, etc.
【 Smooth flow 】Our solder wire ensures good flow and enables a smooth welding process, improving welding accuracy and efficiency.
Usage
1、When used, in order to obtain a good welding effect, the welded part must be weldable, the surface of the welded metal should be kept clean, the use of appropriate lead-free soldering iron head.
2、After opening the soldering iron switch, wait until the soldering iron temperature rises to the required operating temperature before welding.
3、The operator's head should be 20 CM away from the pad.
4、When the soldering iron is not in use, a layer of tin should be plated on the soldering iron, and then turn off the power switch.
5、The working area should be equipped with a suitable air flotation device.















Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
1. Accepted Payment Methods
We accept the following payment options:
Major Credit & Debit Cards (Visa, MasterCard, American Express)
Secure Online Payment Gateways (such as PayPal, Stripe, or other providers available at checkout)
Any additional payment methods displayed during checkout
All payments must be completed in full at the time of purchase.
2. Secure Transactions
All transactions are processed through encrypted and secure payment systems to protect your personal and financial information. We do not store your full payment details on our servers.
3. Currency
Prices are displayed in the currency indicated on the website. If you are purchasing from another country, your bank may apply currency conversion fees.
4. Order Confirmation
Once your payment has been successfully processed, you will receive an order confirmation email containing your purchase details.
5. Failed or Declined Payments
If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.
6. Fraud Prevention
BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.
Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
3. Shipping Costs
Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.
4. Tracking Information
Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.
5. Delivery Issues
If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
6. Incorrect Shipping Information
Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
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