E3-10, D. P Estate,

we are one the leading manufacturer of heavy engineering components in various fiields like wind energy, thermal energy, mining, cement, paper and etc. we specialist in wind energy tubular towers. our...

B303, Jucai Building, No.76 Caoyuan Hutong, East District

Beijing Infosign Technic & Development Co., Ltd. is a high-tech joint-stock company founded in 1999 with more than 60 employees, among whom over 20 are technicians. Our construction covers an ...