Sn-0.3AG-0.7cu Halogen Free Solder Paste
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Product Highlights
- Halogen Free Composition: Sn-0.3Ag-0.7Cu alloy, RoHS and REACH certified for environmental safety.
- Custom Particle Size: Particles 25-45um are available as custom-made options for specific needs.
- OEM/ODM Support: Accepts OEM orders and offers full customization from samples or designs.
- Manufacturer Direct: Direct factory with 20 years experience, ensuring better prices and quality.
- SGS Certification: Each order includes SGS certificate and Material Safety Data Sheet (MSDS).
- Wide Application: Suitable for SMT industry, smartphones, tablets, motherboards, and monitors.
- Fast Delivery: Samples delivered in 2-3 days; bulk orders in 5-7 days typically.
- 1-Year Warranty: Product warranty period is 1 year when stored in cool, dry, non-corrosive environment.
Product Attributes
- Customization
- Available
- Type
- Paste
- Material
- Tin
- Model NO.
- Sn-0.3Ag-0.7Cu
- Flux Containing
- Containing Flux
- Slag Characteristic
- Syringe Method Continuous out of Tin Stability
- Colour
- Grey
- Package
- 500g/Bottle
- Melting Point
- 227℃
- Warrent
- 1 Year
- Transport Package
- Customized
- Specification
- 250g 500g 1000g
- Trademark
- customized
- Origin
- China
- HS Code
- 8001202900
- Production Capacity
- 6000 Tons
- Package Size
- 34.00cm * 29.00cm * 22.50cm
- Package Gross Weight
- 10.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
High-tech enterprises, designated supplier of welding materials for national aerospace and other important 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.
| Name | Lead-free solder paste |
| Alloy | Sn-0.3Ag-0.7Cu |
| Material | Tin |
| Package | 500g/bottle |
| Melting point | 227ºC |
| Particles | 25 - 45um(custom made) |
| Application scenario | Widely used in SMT industry. Suitable for smart phone, tablet computer, computer motherboard, computer peripheral, bluetooth headset, TV, monitor, etc |
| Type | Ingredient (WT%) | Melting point (ºC) | Application scenario |
| Tin-Lead paste | Sn63Pb37 | 183 | Suitable for demanding circuit boards, such as: high-precision instruments, electronic industry, communications, micro-technology, aviation industry and other products welding |
| Sn62.6Pb37Ag0.4 | 183-190 | ||
| Sn60Pb40 | 183-203 | ||
| Sn55Pb45 | 183-215 | Applicable to the requirements of ordinary circuit boards, such as: home appliances, electrical instrumentation, automotive electronics, hardware and electrical appliances and other products welding | |
| Sn50Pb50 | 183-227 | ||
| Sn45Pb55 | 183-238 | ||
| Lead-free solder paste | Sn99Ag0.3Cu0.7 | 183-248 | Low cost, high melting point. Can be used for less demanding welding |
| Sn96.5Ag3.0Cu0.5 | 183-258 | High cost, good performance, suitable for high-demand welding | |
| Sn64.7Ag0.3Bi35 | 183-266 | Good performance, low melting point, and finer lattice alloys | |
| Sn64Ag1.0Bi35 | 183-279 | High cost, good performance, commonly used lead-free solder | |
| Sn42Bi58 | 227 | Prevent corrosion by CU, suitable for low temperature welding |
Packing Details : 500g/bottle,20bottle/box.
Delivery Details : Usually 3-5 days for samples and 10-20 days for bulk orders.
Lead-free solder wire

Tin-lead solder wire

Solder paste

Solder bar

Other solder products
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.



Q1: Are you Manufacturer or Trading company?
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 delivery 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.
Q10:How to keep the solder paste?
A:The storage of solder paste should be controlled in an environment of 2-10°C, and the service life of solder paste is 6 months (unopened).Keep the solder paste away from the sun.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2321501". Items marked "" are certified.
Company Profile
Guangdong Zhongshi Metals Co., Ltd, Founded in 1999, high-tech enterprises, designated supplier of welding materials for national aerospace and military industries. Registered capital 22 million, has passed the ISO9001, ISO14001 and QC080000 certification. Our main products are solder paste, solder wire, solder bar, annual production capacity more than 6000 tons.
The company's existing staff of about 150 people, including college education accounted for 32.7%, 13.3% R&D personnel, senior engineer 5, 8 professional engineers, Assistant Engineer 7, long-term and Tsinghua University, Guangdong University of Technology, South China University University, Central South University, and other units to carry out academic exchanges. And the Guangzhou Institute of Nonferrous Metals, China - Ukraine Barton Welding Institute cooperative research and development, set up a 20 to lead pH. D., graduate students and academic staff consisting of about R & D elite team, and the establishment of doctoral and master workstation and welding materials R & D Engineering Center.
Application since 2006 dozens of patents, more than 10 patents for inventions, two patents license, the company's products with independent intellectual property rights, and achieved a good market and brand.
The company has passed the ISO9001 quality management system, ISO14001 environmental management system, QC080000 hazardous substance process management system. Now China Electronics Materials Industry Association Board Unit, ITRI-IPC China Council Vice-solder technology units. 2008 joined China Electronics Materials Industry Association electronic tin solder materials Branch of China Electronic Components Industry Association capacitor branch. 2009 "National High-Tech Enterprise", "Guangdong Province, private technology enterprises", "Dongguan City, private technology enterprises, " the honorary title, and in the same year in Dongguan City Association of standardized, high-tech enterprises in Dongguan City Association, Dongguan City, private technology Enterprises Association, "solid" brand to obtain trademark registration book. 2010 was "Dongguan patent nurturing enterprise", 2012 is eligible for the "three consecutive years, Guangdong Province Credible Enterprise" honorary title. 2011 was "patent pilot enterprises in Dongguan City, " "global strategic partnership Fair, " "Fair quality partner suppliers, " the honorary title. 2013 was named the Ministry of Industry and Information Technology "national industrial brand development business model, " the same year was named the Guangdong Province and Dongguan City Enterprise Board, "Guangdong Province and Dongguan City, private enterprise innovation industrialization demonstration base. " 2014 through the city, the provincial engineering technology research center, in 2015 made "Guangdong famous brand"
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 2 North Industry No. 1 Road, Songshan Lake, High-Tech Industrial Development Zone, Dongguan
-
Plant Area
- 17711 square meters
-
Number of Employees
- 126
-
Registered Capital
- 22,000,000 RMB
-
Terms of Payment
- LC, D/P, T/T, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen port
-
Minimum Order Quantity
- 100
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Solder paste, Solder wireSolder bar
-
Production Lines
- 10
-
Production Machines
- Continuous casting machine Facility, hydraulic machine Facility, Winding machine Facility
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- Random inspection(Function inspection & Visual inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 5 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2004-09-01
-
Export Year
- N/A
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 10
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- Yes
FAQ
- Are you a manufacturer or trading company?
- We are a manufacturer with 20 years experience in the production of solder wire, solder bar, solder paste and many other solder materials.
- Do you accept OEM orders?
- Yes, of course. But we have quantity requirement, pls feel free to contact our salesman for details.
- What is your advantage?
- Manufacturers for better prices, good quality and reputation, professional sales services.
- Can you offer free samples for testing?
- Yes, we can offer free sample for testing, but the freight cost should be paid by customer side.
- How to store and how long is the warranty period?
- Stored in a cool, dry, non-corrosive environment. Product warranty period of 1 year.
- What are your terms of payment?
- T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages.
- What is the delivery time?
- Usually 2-3 days for samples and 5-7 days for bulk orders.
- Can we visit your company/factory before placing an order?
- Yes. Welcome anytime.
Send your message to this supplier
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