Zhejiang Zhongyuan Wanying Thread Technology Co., Ltd/Ningbo Henghui Thread Tools Co., Ltd. is a company established in 2005 that designs and manufactures high precision, high tensile thread rolling dies. With a team of over 140 staff members and a production base of over 26,000 square meters, they have a strong presence in the industry. They offer a wide range of dies in stock and have an annual production capacity of 1500 tons.

The company focuses on quality and has introduced advanced manufacturing equipment and testing instruments to ensure product quality management. Their products are trusted by customers worldwide. They use high-quality steel for their cylindrical and flat thread rolling dies and are skilled in designing and manufacturing various special difficult thread rollers and rolling dies plates.

They can manufacture different types of threads including metric, Whitworth, unified, worm, ACME/trapezoidal, knurling, NPT, spline, cube, and more.