In the period of cancellation of fire product compulsory certification, CTI Certification establish the building refractory components product voluntary certification service in order to help the majority of building refractory component manufactories to establish their brands, improve their market competitiveness, and assist their products to meet relevant standard. This certification has been approved by the Certification and Accreditation Administration of the P.R.C (CNCA). The certification service is based on the premise of the manufactories being compliance with laws and regulations, honesty and self-discipline, effective and stable production management. The certification mode is determined based on the inherent risk characteristics of the building refractory components product and the common production process used by the manufactories.