Sorbtech International, Llc.

sorbtech international, llc. is the u.s. sales office and distributor of oxyfree 504 oxygen absorbers. family owned and based out of china, tianhua tech co., ltd specializes in the research, development, manufacturing and marketing of its chief product oxyfree 504. the 504 diabsorber, a series of oxygen and carbon dioxide absorbers, offers both iron based and non-iron based options. seventeen years ago, tianhua tech pioneered an oxygen scavenging packaging solution in china, introducing the first and second generations of oxygen absorbers into the domestic market. in addition, tianhua tech invented the patented general-purpose "504 diabsorber", the first of its kind in the world. with the additional capacity of co2 scavenging preventing fermentation by suppressing the growth of anaerobic microorganisms in an oxygen-free environment, oxyfree brand oxygen absorbers have held an increasingly strong advantage over competitors of o2-only absorbers. iso9001 certified, tianhua tech has consis