Companies strictly enforce the ISO9001: 2000 international quality system certification standards, at the same time by the Chinese national compulsory product certification products are better than national standards GB/T4100_ _2006 Appendix G, and in the interests of national GB6556_2001 radionuclides in building materials limited in the Class A requirements, are green products, production and sales of nuclear use is not restricted. I broke always adhere to the "quality-oriented, customer first" business purposes, will be the community work together to create a brilliant tomorrow