Polycrystalline Diamond (PCD) Drawing Die Since the 1970s, scientists and engineers all over the world have been researching and utilizing a highly advanced material called polycrystalline diamond (PCD). PCD is produced through a process of sintering that
Baby wipes are made of high-quality non-woven fabrics, which are not only soft and comfortable, but also strong in toughness and thick in material. They can be wiped on the baby's skin, soft and moist, cool and comfortable, and carefully care for the baby