HANSA CHEMICALS Address: C/32-35, Industrial Estate, Vithalwadi, Bhavnagar-364 001, Gujarat, India Contact Person: Mr. Sharad Shah, Mr. Rajendra Shah Manufacturer of Magnesium Trisilicate IP/BP/USP, Magnesium Hydroxide IP/BP/USP, Dried Aluminium Hydroxide Gel IP/BP/USP, Magnesium Carbonate (Light & Heavy) IP/BP/USP/Tech.