Method and tooling invention patent for improving insulation and thermal conductivity of electric heating pipe
Patent certificate of electric heater for high pressure gas liquid medium heating
Invention patent of electric heater for high pressure gaseous and liquid medium heating
Invention patent of electric heater
Invention patent of electric heating tube head sealing
Business license
National industrial product production license
Permit to open an account
Contact us
0511-88988318
0511-88988298
