Henan Zhengzhou Songshan Enterprise Group Co., Ltd is a key high-tech enterprises in China, We have the largest domestic production base of high-temperature electric heating elements and the most advantageous production lines of pharmaceutical butyl rubber stoppers, and undertake a national major new product projects and two major projects of high-tech industrialization in Henan Province. The main products are Mosi2 heating elements, Sic heating elements, industrial furnace, tungsten and molybdenum materials and products, pharmaceutical butyl rubber stopper,etc.
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The field visit from the India Customers in 2023
The customers from India came to our factory on October 18, 2023,and we warmly welcomed the customers from far. The customers visited the production workshop of SIC heating elements & MoSi2 heating elements and saw how these products were produced.We were happy that our customers were satisfied with our products. During the visit,we gave the customers a […]
2023-10-25
Round and Ring MoSi2 Heating Elements for Uniform High-Temperature Furnace Heating
Round and ring MoSi2 heating elements are useful when the furnace chamber or load has a circular relationship to the heat source. Their geometry can place active heating around a central area or along a curved boundary, but uniform heating still depends on spacing, hot-zone position, surface load, and electrical matching. Songshan lists round and ring […]
2026-09-24
Silicon Nitride-Coated SiC Heating Elements for Nitrogen and Inert Atmosphere Furnaces
Silicon nitride-coated SiC heating elements are intended for furnace conditions where nitrogen or another controlled atmosphere can accelerate surface reactions and resistance aging. The coating forms a dense silicon nitride protective film at about 1300 C and is described as reducing nitrogen corrosion above 1400 C. It does not remove the need to control surface […]
2026-09-23
U-Shape MoSi2 Heating Elements for Vertical Furnaces – Shape, Mounting, and Heat Coverage
U-shaped MoSi2 heating elements are a natural fit for many vertical furnaces because the bent body supports top hanging, keeps the active hot zone organized, and makes the heat path easier to align with the load. Songshan also offers W, L, round, spiral, M, and straight/X forms, so the final decision should follow the furnace drawing […]
2026-09-18
How to Extend the Service Life of MoSi2 Heating Elements in Oxidizing Furnaces
MoSi2 heating elements last longer in oxidizing furnaces when the furnace warms up gradually, the hot zone stays clear, and the terminals stay protected from unnecessary heat. Songshan offers several MoSi2 forms and grade choices, so the practical answer is to match the element to the furnace duty instead of treating every replacement as interchangeable. The […]
2026-09-17
How to Match SiC Heating Elements to Furnace Temperature and Atmosphere
SiC heating elements should be selected based on the furnace temperature, atmosphere, chamber geometry, electrical supply, surface load, and replacement plan. A rod that appears suitable by maximum temperature can still age quickly if the atmosphere, loading, or wiring is wrong. Songshan manufactures silicon carbide and molybdenum disilicide heating elements and provides technical guidance for industrial and laboratory […]
2026-09-11
MoSi2 Heating Element Selection for High-Temperature Furnaces – Temperature, Atmosphere, and Shape
A mosi2 heating element is chosen for furnaces that need stable, intense heat at very high temperatures, especially in oxidizing atmospheres where molybdenum disilicide can form a protective silica film. The right selection depends on more than maximum temperature. Engineers also need to match grade, shape, surface load, atmosphere, mounting direction, and startup practice to […]
2026-09-10
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