The registered address of zhang zhong zhong zhong zhong zhongxian is the village of yau river, changtai county, hebei province, with the registration authority being the city monitoring authority of wei county, represented by the legal person li heung-chai, and has a general scope of operation: manufacture of specialized equipment for rubber processing; sale of specialized equipment for rubber processing; manufacture of specialized equipment for plastic processing; sale of specialized equipment for plastic processing; repair of specialized equipment; import and export of goods or technology (except for goods and technology whose import and export is prohibited by the state or which involves administrative authorization). (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)