Shaoguan Tropic Ocean Ltd. is a leading silicon metal supplier in China.

Our silicon metal factories specialized in the producing of silicon metal since last 1990s,located at Hunan and Yunan Province of China.We mainly produce siliocn metal #553,441,411,3303,2503,2202. Meanwhile we invested our own warehouse at Huangpu Port.All of our material are in high quanlity and competive price.

Shaoguan Tropic Ocean Ltd is also a leading supplier of chemical products in China, we invested in 2 factories specilzing in manufacture of chemical products, we can supply you with it at a competitive price timely and stably:

We supply chemical products such as Zinc Sulphate Monohydrate, Zinc Sulphate Heptahydrate, Manganese Sulphate, Ferrous Sulphate Monohydrate ,etc historyly with competive price and excellent quanlity.

Silicon metal Chemical analysis
Silicon Metal 553
Si: 98.5% min.
Fe: 0.5% max.
Al: 0.5% max.
Ca: 0.3% max.
P:50 ppm max.

Silicon Metal 441
Si: 99.0% min.
Fe: 0.4% max.
Al: 0.4% max.
Ca: 0.1% max.
P:50 ppm max.

Silicon Metal 411
Si: 99.3% min.
Fe: 0.4% max.
Al: 0.1% max.
Ca: 0.1% max.
P:50 ppm max.

Silicon Metal 3303
Si: 99.3% min.
Fe: 0.3% max.
Al: 0.3% max.
Ca: :0.03% max.
P:50 ppm max.

Silicon Metal 2503
Si: 99.5% min.
Fe: 0.25% max.
Al: --
Ca: 0.03% max.
P:50 ppm max.

Silicon Metal 2202
Si: 99.5% min.
Fe: 0.2% max.
Al: 0.2% max.
Ca: :0.02% max.
P:50 ppm max.

Zinc Sulphate Monohydrate (ZnSO4.H2O)
Purity: 98% min. Zn:35% min. Pb: 20ppm max. As: 5ppm max. Cd: 20ppm max. Water insoluble matter:0.05% max.
Zinc Sulphate Heptahydrate ( ZnSO4.7H2O)
Purity: 98% min. Zn:21.5% min. Pb: 20ppm max. As: 5ppm max. Cd: 20ppm max. Water insoluble matter:0.05% max.
Manganese Sulphate (MnSO4.H2O)
Purity:98% min. Mn:31.8% min. Pb:0.0015 max. As:0.0005 max. Water insoluble matter:0.05% max.
Ferrous Sulphate Monohydrate (FeSO4.H2O)
Purity:91% min. Fe 30%:min. Pb:10ppm max. As 5ppm