Hangzhou Pangong Tool Co.,Ltd is a professional manufacturer of thread cutting tools. The major products are round dies, hexagon die, hand & machine taps, including all kinds of combination set, with series of Metric, SAE and UNC&UNF international standards.We own professional technical forces, advanced equipments, precise measuring instrument, scientifically management systems, efficient and strong teamwork.We will continuously research and develop new products of top quality.Whether producing the new threads from raw material or repairing the broken threads, 'TUNGSTENproducts will solve all the problems for your threading application.We will exert ourselves to create perfect 'TUNGSTEN trademark with our excellent service, supplying the satisfied qualified products to you.