MMK Inc is based in the United States and offers granulated and ground sulfur and Giredmet zinc powder. The sulfur product is described as having a minimum purity of 99.98% with a tolerance of +/- 0.008, a yellow to bright yellow color, and an origin in Uzbekistan. The zinc powder is listed as lot #2 with a stated purity of 99.999% and a detailed isotopic composition including Zn-64 at 48.89%, Zn-66 at 27.81%, Zn-67 at 4,07%, Zn-68 at 18.61%, and Zn-70 at 0,62%, originating from the Russian Federation. The zinc powder is noted for uses in nuclear power, microelectronics, and medicine. Buyers can send an enquiry through Global Trade Plaza.