We are a leading COPPER TUBE factory in China, specialized in manufacturing various COPPER TUBE like Pancake Coils/LWC/Straight Tube,we produce as per standard ASTM B-280, comparing with other factories, our advantage is: 1) Better quality, especially for Pancake Coils, we can send you FREE sample for checking, you will be surely satisfied. 2) Quick delivery. Always we deliver in 4 weeks, if the delivery date exceed more than 5 weeks, we will compensate to you.3) Better price. We can send you our latest price for your comparison.