Shanghai Huaou Electric Welding Machines Co., Ltd. is a high-tech and modern manufacturer integrating development, design and production of welding equipment. Since the company has been established for more than twenty years , our company has constantly brought in and absorbed advanced technologies at home and abroad, and developed more than twenty series and one hundred varieties of products, which have been sold well throughout China , Southeast Asia and Europe and trusted by vast users. Our company has gained the ISO9001:2000 certificate of international quality