Guangdong Zhongshi Metals Co., Ltd
High-tech enterprises, designated supplier of welding materials for national aerospace industries. Founded in 1999, the company is headquartered in Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province, registered capital of 22 million, for the aerospace, civilian offer high quality welding materials. The company's main products are: solder paste, solder wire, solder bar, BGA solder ball, anode rod, flux, the red plastic and other electronic tin solder, the annual production capacity of more than 6000 tons. 
Product Specification
| Ingredient |
Sn-3.5Ag |
| Particle size |
0.10-0.90mm(custom made) |
| Melting point |
217-220°C |
Product Parameters
Alloy composition
|
Melting Point(ºC) |
Use
|
| Solidus |
Liquidus |
| Sn63/Pb37 |
183 |
Solder ball |
| Sn62/Pb36/Ag2 |
178 |
190 |
Welding of silver-containing electrode elements |
| Sn99.3/Cu0.7 |
227 |
Lead-free soldering |
| Sn96.5/Ag3.5 |
221 |
221 |
Lead-free soldering |
| Sn99/Ag0.3/Cu0.7 |
217 |
220 |
Lead-free soldering |
| Sn96.5/Ag3/Cu0.5 |
217 |
219 |
Lead-free soldering |
Related Products
Company Certification
Our products have passed ROHS and REACH testing and certification. Each order can be accompanied by a batch of SGS certificate, material safety data sheet. The MSDS of this product can be obtained from our sales staff.
Company Exhibition
FAQ
Q1: Are you Manufacturer or Trading company?
A: We are a manufacturer with 20 years experience in the production of welding wire, welding bar and solder paste.
Q2: How Do We Place An Order?
A:Please send Email or WeChat with us Via TM, MSN, Skype, and let us know your requirements on type, quantities.
We will reply you with Proforma Invoice based on your order request. Kindly check the PI and If everything is OK,
We will deliver the goods for you ASAP. After got your payment .
Q3. Do you accept OEM orders?
A:Yes, of course. But we have quantity requirement, pls feel free to contact our salesman for details.
Q4: What is your advantage?
A: Manufacturers for better prices, good quality and reputation, professional sales services.
Q5: Can you offer the free sample for testing?
A: Yes,we can offer free sample for testing, but the freight cost should be paid by customer side.
Q6. How to store and How long is the warranty period?
A:Stored in a cool, dry, non-corrosive environment. Product warranty period of 1 year.
Q7. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages.
Q8. What about the delivery time?
A:Usually 2-3 days for samples and 5-7 days for bulk orders.
Q9. Can we visit your company/factory before place the order?
A. Yes. Welcome anytime.
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