In response to the special requirements of customers, the company increased CQC certification for special materials in 2018, including CIT ≥ 600 series, and the products are mainly quoted in the home appliance industry. CEMC certification for CEM-1, FR-4, halogen-free materials. Currently halogen-free materials are still in the process of certification. This batch of special materials is mainly quoted from domestic high-end consumer electronics applications.