We tested it—see the highlights and what to expect in real operation. This video takes you inside Xincheng (Xiamen) Cemented Carbide Co., Ltd., a tungsten carbide manufacturer with 25 years of expertise. Watch how OEM ODM tungsten carbide rod blanks in metallic silver are produced, from 0.2–9mm particle processing to advanced sintering and spray tower operations. A concise factory walkthrough for B2B buyers seeking stable quality and reliable capacity.