Quanzhou East China Sea hardness block factory equipment - China

I plant registered by the State Bureau of Weights and Measures, held by State Bureau of Technical Supervision issued manufacturing license: No. 05000110. Standard hardness block the production of professional manufacturers hungry. Hardness of diamond licenses in order to block the new order as a standard to the international standard by Qi, product range, advanced testing methods, quality improvement. More than 20 years products have been exported to the United States, Japan, Italy, Germany, more than ten countries and regions, both inside and outside sales in the nation over the top. Products well-national, provincial, municipal and domestic production of the aviation industry and the manufacturers do sclerometer supporting block, Good feedback. Quality. To obtain the trust of the majority of users.