Carbon Materials & Industrial Minerals For Global Industry
Consistent Quality.
Reliable Global Supply.
For over 20 years, we have supplied quality carbon materials and industrial minerals from China to steel mills, foundries, and distributors worldwide.
GSN International is a Hong Kong-based supplier of carbon materials and industrial minerals, serving customers across the global steel, foundry, and carbon industries.
For over 20 years, we have built lasting relationships through consistent quality, reliable delivery, and responsible business practices. Working closely with selected producers in China, we provide specifications and supply solutions tailored to the practical needs of each customer.
| GCA | F.C.% MIN | ASH+V.M. % Max | S% MAX | MOISTURE% MAX |
|---|---|---|---|---|
| FC90 | 90 | 10 | 0.3 | 0.5 |
| FC93 | 93 | 7 | 0.3 | 0.5 |
| FC94 | 94 | 6 | 0.3 | 0.5 |
| FC95 | 95 | 5 | 0.15/0.2 | 0.5 |
Size: 0.5-5mm, 0.5-30mm, 1-5mm, 5-10mm, 3-8mm, 10-40mm or as per request.
Packing: 20/25kg paper & plastic composite bag, or 1MT big bag.
Application: Used as carbon additive or insert carbon in steel industry or casting.
Annual Capacity: 70000-80000MT
| ECA | F.C.% MIN | ASH % Max | V.M.% Max | S% MAX | MOISTURE% MAX |
|---|---|---|---|---|---|
| FC93 | 93 | 6.3 | 0.7 | 0.25/0.3 | 0.5 |
| FC94 | 94 | 5.3 | 0.7 | 0.25/0.3 | 0.5 |
| FC95 | 95 | 4.3 | 0.7 | 0.2 | 0.5 |
Size: 0.5-5mm, 1-4mm, 4-10mm, 1-20mm
Packing: In 20/25kg plastic & woven bag or in 1MT jumbo bag
Annual Capacity: 30000MT
Application: Used as carbon additive or insert carbon in steel industry or casting
| GPC | F.C.% MIN | ASH % Max | V.M.% Max | S% MAX | N% MAX | MOI.% MAX |
|---|---|---|---|---|---|---|
| GSN-GPC1 | 98 | 1 | 1 | 0.3-0.8 | --- | 0.5 |
| GSN-GPC2 | 98 | 1 | 1 | 0.2 | 0.1 | 0.5 |
| GSN-GPC3 | 98.5 | 0.8 | 0.7 | 0.05 | 0.05 | 0.5 |
| GSN-GPC4 | 98.5 | 0.8 | 0.7 | 0.05 | 0.03 | 0.5 |
| GSN-GPC5 | 99 | 0.5 | 0.5 | 0.04 | 0.02 | 0.5 |
Size: 0.2-1mm, 0.5-3mm, 0.5-5mm, 1-4mm, 1-5mm, 4-10mm, 5-15mm or as per request.
Packing: In 20kg/25kg paper & plastic bag or 500kg/800kg/900kg/1000kg jumbo bag
Annual Capacity: 20000 MT
| CPC | F.C.% MIN | ASH % Max | V.M.% Max | S% MAX | MOISTURE% MAX |
|---|---|---|---|---|---|
| 98.5 | 0.8 | 0.7 | 0.5 | 0.5 | |
| 98.5 | 0.8 | 0.7 | 0.8 | 0.5 | |
| 98.5 | 0.8 | 0.7 | 1 | 0.5 |
Size: 0.5-3mm, 0.5-5mm, 1-4mm, 4-10mm or as per request.
Packing: In 25kg paper & plastic bag or in 1MT jumbo bag
Annual Capacity: 30000 MT
| F.C.% MIN | ASH % Max | V.M.% Max | S% MAX | MOI.% MAX |
|---|---|---|---|---|
| 98.5 | 0.8 | 0.7 | 0.15 | 0.5 |
| F.C.% MIN | ASH % Max | V.M.% Max | S% MAX | N% MAX | MOI% MAX |
|---|---|---|---|---|---|
| 99 | 0.5 | 0.5 | 0.03 | 0.01 | 0.5 |
Size: 0.5-3mm, 0.5-5mm, 1-4mm, 4-10mm or as per request.
Packing: In 25kg paper & plastic bag or in 1MT jumbo bag
| F.C.% MIN | ASH % Max | V.M.% Max | S% MAX | N% MAX | MOI% MAX |
|---|---|---|---|---|---|
| 99 | 0.5 | 0.5 | 0.03 | 0.01 | 0.5 |
Size: 0.5-3mm, 0.5-5mm, 1-4mm, 4-10mm or as per request.
Packing: In 25kg paper & plastic bag or in 1MT jumbo bag
| ASH% Max | V.M.% Max | S% MAX | MOI% MAX |
|---|---|---|---|
| 12.5 | 1.5 | 0.7 | 1 |
| 13.5 | 1.8 | 0.8 | 1 |
Size: 3-8mm, 5-15mm, 5-25mm, 8-30mm, 10-30mm, 30-90mm or at seller’s option
Packing: In bulk or in big bag
- Graphite Electrode
- Ferroalloy Products
- Calcium Aluminate
- Silicon Carbide
- Wollastonite
- Vermiculite
- Mica Powder
- Andalusite
| GCA | F.C.% MIN | ASH+V.M. % Max | S% MAX | MOISTURE% MAX |
|---|---|---|---|---|
| FC90 | 90 | 10 | 0.3 | 0.5 |
| FC93 | 93 | 7 | 0.3 | 0.5 |
| FC94 | 94 | 6 | 0.3 | 0.5 |
| FC95 | 95 | 5 | 0.15/0.2 | 0.5 |
Size: 0.5-5mm, 0.5-30mm, 1-5mm, 5-10mm, 3-8mm, 10-40mm or as per request.
Packing: 20/25kg paper & plastic composite bag, or 1MT big bag.
Application: Used as carbon additive or insert carbon in steel industry or casting.
Annual Capacity: 70000-80000MT
Rigorous Quality Control at Every Stage
- Raw materials are tested before procurement.
- Production is continuously monitored by our in-house laboratory.
- Each shipment is independently inspected by a third-party agency upon arrival at the loading port.
This three-stage control system ensures consistent and reliable quality from source to final delivery.
Let’s discuss your material requirements.
Share with us the product, specification, particle size, quantity and destination.
Email Our TeamWan Fang Jia Yuan Yi Yuan,
Tong Zhou Dist.,
Beijing, 101199