Hengshui Yongding Machenics Making Co., Ltd., lying in Hengshui City of Hebei Province which is convenient in traffic, is a enterprise specializing in producing steel mechanicalconnecting series products. The company, now, has empolyees of more than 200, with the factoryarea covering 20723 square meters and the workshop area of over 10000 square meters.

The company's main products include: Ordinary-type, forward-and-backforward-thread typeandcalibre-changed type, three series and 50-odd varieties of steel straight thread connecting sleeve piece and steel straight thread screw rolling machine, screw rolling wheel, cutting tool, reinforced thread head special gauge, moment spanner ect., auxiliary tools which are used in construction.