I am writing to represent Punair, the leading manufacturer in inverter ARC welding & plasma cutting machine sets in China. We would like to look for the opportunity to co-operate with your company. Our products are in the highest quality and technology. We are the one to reach 100 kHz inverter frequency in the world. All the products are being tested to ensure 100% work and having the ISO 9001:2000 & CE show our quality of work. We are expending our distribution network and sincerely looking for the opportunity to co-operate with your company. For more information about our company, please you visit our website: www.punair.com/ lj@punair.com. Thank you for your kind consideration.