... : 1. The earliest manufacturer of insulation
pipe, anti-corrosion
pipe and steam
pipe in China, with 20years experience.2. ... ,HDPE, steel pipeTemperatureLess than 70 °CApplication City water
pipe network,chemical industrial, petroleum system,gas fieldDerusting grade GB ... Long life for more than 50 years Specification:
Inner steel pipeSpecification(mm)Type of steelReference standard