About Us
Sansinlong Limited was established in 2016 and is headquartered in Hong Kong. As an integrated industrial and trading enterprise, we specialize in supplying raw materials and spare parts to both non-ferrous and ferrous metallurgical industries.
Capitalizing on Hong Kong's favorable business environment and backed by the robust manufacturing capabilities of Mainland China, we have consistently expanded our presence in domestic and international markets. Our high-quality products and services include:
- Aluminum liquid filtration systems
- Blast furnace tuyere sleeves
- Oxygen lances for electric arc furnaces and converters
- Mining machinery castings
Our products have been exported to over ten countries and regions, specifically: Spain, Italy, Russia, India, Australia, South Korea, Iran, Vietnam, among others.

Partners
As a trusted partner in metallurgy, we build lasting relationships by providing reliable solutions and premium-grade products.