Hi, Sir This is Tracy fm CHONGQING YUNDA MACHINERY & ELECTRONICS MANUFACTURING CO., LTD. which is specialized in manufacturing welding machine. I have known ur company fm the website. Our company has manufactured welding machinemore than 12 years and we cooperate with the domestic OEM suppliers. We got ISO-9001 and passed CCC, CQC, CE inspection in 2004. Our product covers all over the world and we enjoy the reputation for the good quality, competitive price and excellent service in domestic and oversea market. I am in charge of North America and Australia market. U will get more information about our company fm our web page: ***** Pls email me directly if u r interested in our product. Welcome to visit our factory personally if there is a chance. I wish my sincere attitude can get ur response. Many tks! ***** Tracy CHONGQING YUNDA MACHINERY & ELECTRONICS MANUFACTURING CO., LTD TEL:86 23 62951787