https://pressroom.prlog.org/Hongtai/ About Qingdao Hongtai Copper Tube Co.,Ltd. - Hongtai is a professional copper tube manufacturer established in 1993, supplying copper tubes, pancake coils, LWC coils, copper fittings and custom copper products for HVAC, refrigeration, plumbing and medical applications. https://www.prlog.org/13170621-hongtai-concludes-successful-exhibition-at-expo-fro-calor-argentina-advancing-footprint-in-south-american-hvac-market.html Buenos Aires, Argentina | September 9-11 (Local Time)——Expo Frío Calor Argentina, one of South America's leading HVAC-R trade events, has officially closed its three-day show.Wed, 16 Sep 2026 12:30:00 GMT