Ningbo Tianhua Electric Appliance Co., Ltd., founded in 1994, is located in Cixi, Ningbo, covering an area of about 20000 square meters. It is a modern industrial and trade enterprise specializing in the R & D, production and sales of heaters, and a stable supplier of the world's top 500 enterprises.In 2001, the TIANHUA company passed ISO9000 certification and became one of the early enterprises that passed the international quality system certification. In 2002, it passed GS, CE, EMC international authoritative safety certification. At present, the TIANHUA company not only has ISO9001 quality...