Ningbo Yishan Hardware .,LTD offers DURATUFF flat thread rolling dies for machine screws and tapping with worldwide first clsaa quality production output.The reason we have gained our strong reputation in fastener industry because of long life,high ...

My company was founded in 2001, specializing in the production of thread rolling die and flat thread rolling diel..., USES the high quality steel mold, vacuum heat treatment, high accuracy, welcome consultation

As a professional manufacturer of rebar couplers and leader in this industry China, Hebei Yida Reinforcing Bar Connecting Technology Co., Ltd. is famous for our level-headed operations. With the enormous economic capacity more than 15 years rapid ...

Our factory specializes in the manufacture and research of two types rolling machines. At same time we also produce all-thread rods, double-headed bolts, hexagon worms high strength as well stainless steel bolts nuts. We deal with non-standard product ...

our huachao screw tools co., ltd is a leading manufacturer & exporter specializing in producing fastener melds and catering to industry over 20 years with quality products sound reputation.huachao R&D production of Screw forming Tools as header ...

Renqiu City Huachao Screw Tools Factory is located in the Industrial Area of Renqiu, Hebei, China. a medium-sized city North We are 150KM away north to Beijing Capital International Airport, 100KM east Tianjin Seaport, and crossed by Jingjiu Railway, No.106 ...

ShenZhen TOBEST Machinery Manufacturing Co.,Ltd. is a rolling machine manufacturer merging development, production and sales into single whole. Our company has variety of equipment. We continuously improve their performance. They are widely used in many ...