Civilcism project:
City construction water supply, drinking water, fir fighting water, thermal net backwater, gas/natural gas transportation.
Oil & gas field:
It includes smeary water, gas field sewage, oil and gas admixture, second & third oil extraction and collective transportation tube.
Chemical industry:
The artifical and drain tube thattrans port corrosive gas, liquid and solid powder. usedin such as ache, alkali, salt, petroleum, chemistry, fertilizer, medicine, textile, printing & dyeing and rubber plastic industry etc.
Textile, printing & dyeing:
The artifical and drain tube that transport corrosive medium

Speedway rdad:
Burying drain tube, cable conduct pipe.
Seawater transportation:
The seawater transportation for seawater desalt factory, and harbourcity.
Shipping manufacture:
Shipping sewage tube, drain tube, balla sting tube , ventilated tube.
Agricultural sprinkling:
Deep well tube, filter tube, culvert convey tube, drain tube, irrigation tube.