Announcement No. 55 of 2025 by the Ministry of Commerce and the General Administration of Customs Decision on Implementing Export Controls on Items Related to Superhard Materials

Introduction to CVD DiamondKey Equipment for CVD Diamond GrowthCVD reactors are critical for diamond synthesis, with temperature control and heating methods being paramount. Main CVD systems include:lHot Filament CVD (HFCVD)lPlasma-Enhanced CVD (PECVD): ·Microwave Plasma CVD (MPCVD)·DC Arc Plasma J

一． What materials are synthetic diamonds made of?Synthetic diamonds are polycrystalline diamonds made from the aggregation of diamond crystals with a diameter of 10 to 30 nanometers. The manufacturing process is similar to the process by which diamonds form naturally.There are two main types of mate

On October 14, the 2021 Superhard Materials and Products Industry Exchange Conference jointly sponsored by Hunan New Materials Industry Association and Changsha Research Institute of Mining and Metallurgy Co., Ltd. was successfully held in Changsha city.