Shanghai Zhengte Welding Co. under brand CHD,integrated with R & D,Production,Sales and Service of Welding & Cutting Equipment,is one of the earliest and largest manufacturers in the welding and cutting indunts & Consumables Manufacture Co.,Ltd,ustry of China.The company was founded in 1989,owns more than 360 employees and 42 technicians,two production bases in Shanghai and Wenzhou city covering 33000 square meters,and 6 marketing agencies throughout the country.For 25 years,relying on deep understanding of industry,strong comprehensive strength and constant technology innovation,CHD has applied for a number of national patents,attended in drafting of industrial standards,and passed the ISO9001,CCC,CE,SGS certifications. Besides,CHD is Shanghai Famous Brand.With more than 25 years development,CHD has 6 powerful product lines. And today,CHD products have been widely sold in overseas countries and regions including South East Asia,Russia,Europe,South Africa,Middle East and South America. We welcome you to join us.