Trojan (Suzhou) material technology Co., Ltd was established in 2005. It is a professional China wholesale Metallurgical HARDNESS TESTING Suppliers and OEM/ODM Metallurgical HARDNESS TESTING Company. Trojan has experienced professional and technical personnel who have been engaged in this industry for many years, and can guarantee high-quality production.Metallurgical HARDNESS TESTING and other products. At the same time, the company has a number of inventions, copyrights and product design patents. The company has passed ISO, CE and other system certifications, and its products are widely used in metallographic testing laboratories in various industries at home and abroad, and have been widely recognized by customers.