Who we are
Shanghai Sunrise Instrument Co.,Ltd. was founded in 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.