Zibo guanbo industry&trading co.,ltd is one of the most professional manufacturers of chemical in China.We are engaged in chemical products for many years.
Our chemical products include, Refrigerants, Polyaluminium Chloride, Calcium Formate , Calcium Sulphate and other secondary products.
In 2002, we have set up the strong quality promise system and were certified to ISO9001:2000 international quality management accreditation and ISO14001:2004 of circumstance management accreditation in 2006.And in 2010 our products r134a has been also certified to ISO AIR700C-2008.
Nowadays the main products of refrigerants include r22, r134a, r407c, r410, r502, and the environmental protection refrigerants.
We warmly welcome friends from all over the world to visit us and hope that we'll have easy and good cooperation.