Hongtai Copper Co. is one of the largest manufacturers in China specialized in copper tubes for Air Conditioning and Refrigerating, Installation of Air Conditioner, Electronic, Construction, Water, Gas and Oil, Engineer. With an annual production of over 50,000 metric tons of copper products, we export copper tubes in various specifications with premium quality at competitive prices. We can produce the copper tubes according to ASTM, EN, BS, JIS, AS/NZS Standard. We can produce and supply: 1. Pancake Coils 2. LWC Coils (plain and inner groove) 3. Straight Lengths/ ACR Straight Tubes 4. Copper Water Pipes 5. Plastic-coated Copper Tubes 6. Insulated Copper Tubes 7. Copper Capillary tubes 8. Square Copper Tubes We are an ISO9001 company and we have gain ASTM Certificate, AS/NZS Certificate. these promise that the products we produced are always of the best quality. We sincerely hope that you could consider us to be one of your suppliers and build long term, stable, and fruitful business cooperation.