The registered address of sun tung tung seng co. Ltd. Is located on the northern edge of the river and south side of the yangzhou city street office in yanzhou city, shandong province. The registered authority is the city market supervision authority of guozhou. The legal person's representative is zhao kaiyan and is operating on general items: manufacture of specialized equipment for plastic processing; sale of specialized equipment for plastic processing; manufacture of specialized equipment (other than licensed specialized equipment); manufacture of generic equipment (other than special equipment manufacture); manufacture of general parts and components; sale of mechanical equipment; manufacture of mechanical parts and components; sale of mechanical parts; manufacture of specialized equipment for environmental protection; sale of specialized equipment for environmental protection; manufacture of plastics; manufacture of bio-based materials; sale of biological materials; manufactu...