About Us


Shanghai Sunrise Instrument Co.,Ltd. was foundded in Jan.2008.We specialized in sampling equipments such as gas sample bags ,flue gas sample bag,liquid dan solid sampling bags,sampling bumps,gas sampling vacuum chambers. E-Switch brand. According to E-Switch design concept,we have developed our own dedicated flow-adjustable multi-functional valves,teflon valves and gas nozzles wchich have won several national patents. E-Switch flow-adjustable multi-functional valves better complete functions and interface sizes in this line and they can be applied to hoses with 3 to 6mm in diameter. They don't leak even when taken for samples for 15 times,which is of number one priority in the industry .

E-switch brand gas sampling bags

E-switch brand gas sampling bags,are mainly made from 4 films:

  • Tedlar gas sampling bags
  • teflon fep gas sample bags.
  • PVDF gas sample bag.
  • aluminum foil gas sample bag

gas bag's valves

  • PP Valve
  • PVDF valve
  • FEP Valve.
  • PTFE Valve

E-Switch Valves mainly above four materials

design and manufacture by own factory.

E-switch bags size

E-switch gas sample bags size,the capacities of gas sampling bags from 5ml to 4000 liters can be tailored to meet customer's requirements.

Our products are popular at home and abroad. The application fields include automobile VOC detection,indoor and outdor VOC detection,petroleum chemical industry,natural gas,agriculture and soil,research institution,cllleges and universities and the third-paryt testing company.