
NANJING JYD TECH & INDUTRY Co., Ltd. Was established in 1993 who is a private enterprise of science and technology, have a number of patent of invention, one of them TUNGSTEN CARBIDE ROLL FOR COLD RIBBED WIRE ROLLING awarded the certificate of key promotion project issued by the Ministry of national construction in 1998. Mr. Chen Jiyu, the founder of the company is an expert in rolling mills, machinery, electrical automation and numerical control applications. He LED his technical team to the front line ...