HeBei HengTong Valve Co.,Ltd was initially founded in 1988,which is a large-scale private enterprise integrated with smelting,casting and processing,assembly and paint-spraying.the company is located in the foot of Taihang Mountain,8km away from 309 National Highway in norther of Wu'an City.it covers an area of 120,000 square meters,presently has more than 800 of staff and over 50 engineering technicians.