DONGHUAN INTRODUCTION
Shijiazhuang Donghuan malleable iron technology co.,ltd
Products go through casting, annealing, shot blasting, galvanizing, threading, air pressure testing,thread inspection and final package procedure. Our factory are the first to use the electric stove for castings and electric facility in annealing and galvanizing process, besides we had improved the equipments ,used to yellow shells ,which has no pollution and easy to control the material composition. With advanced technology and equipment, the products are of excellent material, in good finish with well mechanical property and tightness and good interchangeability which make it easy to be assembled.
NEWS&EVENT
A pipe fitting manufacturing enterprise with over 30 years of history