CSMH passed the ISO9001 quality management system certification Recently.
CSMH is a high-tech enterprise focusing on the R&D and production of third-generation (wide bandgap) semiconductor substrate materials and devices, and is committed to becoming the world's leading company in wide bandgap semiconductor materials and devices. At present, the company has achieved large-scale production of diamond and aluminum nitride related products. The existing wafer-level diamond Ra<1nm, diamond heat sink thermal conductivity 1000-2000W/m.k, and more GaN on diamond, Diamond on GaN, diamond-based aluminum nitride and other products. In the production process, we strictly follow the requirements of the ISO9001 quality management system, formulate strict internal evaluation and audit standards from the whole process of product development, raw material procurement and storage, production, and factory inspection, and serve global customers with high-standard products.