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2024
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01
2023
● May 2023, the Chinese national standards "Medium thick wall non-flame retardant double wall polyolefin heat shrink tube", "stress control polyolefin heat shrink tube" and "extruded PTFE hose for electrical engineering", which Hongshang participated in as the main drafting unit, were released.
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May 2023, the Chinese national standards "Medium thick wall non-flame retardant double wall polyolefin heat shrink tube", "stress control polyolefin heat shrink tube" and "extruded PTFE hose for electrical engineering", which Hongshang participated in as the main drafting unit, were released.
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