Amber gemstone.
Raw Amber/ Rough Amber Stone, Cut Emerald, Garnets, Sphene, Spinel.
Semi Precious Gemstones.
Various test equipment , such as temperature & humidity test chamber, high low temperature test chamber, walk in chamber, salt spray chamber, aging tester, drying oven,uv aging chamber, ozone chamber, dust chamber,mechanical vibration tester and other quality testing instruments..