Hebei Chunfeng International Trade Co., Ltd

Industry Information

Update August 09, 2023

Discover the unmatched strength and versatility of iron castings. From automotive to aerospace, our iron castings provide exceptional durability and precision. Experience the reliability and...

Update August 09, 2023

Asia's Top 10 Grp Pipe Brand List

1. Increased demand for GRP pipes due to their corrosion resistance, lightweight nature, and durability. 2. Growing adoption of GRP pipes in the oil and gas industry for transporting corrosive...

Update February 20, 2023

Valve installation of the five major points

1 direction and position Many valves have directivity For example, cut-off valves, throttle valves, pressure reducing valves, check valves, etc. If installed anti-flip, it will affect the use of...

Update February 18, 2023

Thermostatic mixing valve use and debugging safety precautions

Mixed water thermostatic valve is a heating system supporting products, widely used in electric water heaters, solar water heaters and central heating systems. And can be applied to electric water...

Update September 30, 2022

Improvement of slag inclusion defects in ductile iron castings by casting system

Nodular Cast Iron (Nodular Cast Iron) is a metal material with excellent mechanical properties. It is obtained by adding a spheroidizing agent and an inoculant to the molten iron to make the graphite...

Update September 30, 2022

Production practice of no-retractor riser in nodular cast iron gear castings

This paper introduces the production experience of the production of medium and large ductile iron gear parts without shrinkage riser. It uses external cooling iron for rain gate, tooth surface and...

Update September 30, 2022

Application of Ultrasonic Testing Technology on Large Ductile Iron Castings

Ultrasonic waves are widely used for the detection of the intrinsic quality of metal products due to their characteristic acoustic characteristics such as self-reflection, refraction, and...

Update September 29, 2022

Introduction to the hardness requirements of grey iron castings for motor vehicles

Gray iron castings are general engineering gray iron castings that are mainly used for tensile strength. The castings are graded according to the tensile strength of different casting bars. Gray cast...

Update September 29, 2022

Production Practice of Cupola Furnace Smelting RQTSi5 Heat-Resistant Ductile Iron Castings

The spheroidization rate is 2, the ball diameter is 6 and the base 268 is our factory adopting the 944188 ductile iron metallographic standard. 26; refers to the number of pearlite in the matrix is...

Update September 29, 2022

Anshan Iron and Steel successfully developed large steel castings for the runners of the Three Gorges turbine

The large-scale steel castings of the lower ring of the Three Gorges right-hand unit runner developed by Anshan Iron and Steel Group Heavy Machinery Co., Ltd. passed the technical appraisal organized...