Zhejiang Hengcheng Cemented Carbide Co.,Ltd is one of the best manufacture about tungsten products all over the world, which is good at cemented carbide products with professional R&D & excellent sales & service teams since 1991. Hengcheng has been provided high quality cemented carbide products for many industies, such as steel, metallurgy. machinery, geology, construction, mining, petroleum-chemistry, electrics and textiles and defense industry. Nowadays our main products include:- Tungsten carbide roll rings- Tungsten products- Cutting tools- Rock drilling bits- Anvils & cylinders- Non-standard productsHengcheng has owned IS09001, ISO14001 and 0HSAS18001 certificates. Hengcheng brand products are shared by customers from both home and abroad.A sound social liability and unique corporate culture is the solid foundation for the sustainable development of Hengcheng.Our vision: China will be famoused in tungsten industry based on rich tungsten resources through Hengcheng' s hardworking.