... Condenser Tubes Manufacturer. 1. Professional Copper and Copper-Alloy Seamless Heat exchanger and Condenser Tubes Manufacturer.2. Our Productions are widely used ... , BS 2871, BS EN 12451, EN 12449, GB/T8890 etc.4. Material Designation Applied: C71500, C70600, C71640, C68700, C44300, C26130 etc ...