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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.