Our progress depends about the advanced products ,fantastic talents and continuously strengthened technology forces for 6pin extension cable, Asic Ant Miner , Fully Modular Power Supply 1200 Watts , Mining Rig Psu ,Bitmain S19j Pro . As a key enterprise of this industry, our corporation makes attempts to become a leading supplier, depending on the faith of expert excellent & throughout the world assistance. The product will supply to all over the world, such as Europe, America, Australia,Frankfurt, USA,Bulgaria, Madrid.We set a strict quality control system. We have return and exchange policy, and you can exchange within 7 days after receive the wigs if it is in new station and we service repairing free for our products. Please feel free to contact us for further information and we will offer you competitive price list then.