Qingdao heli chemical Co.,Ltd is a professional manufacturer of Refractory material phenolic resin,Coated sand resin,friction material resin(clutch,brake pad and grinding wheel) and cnsl resin which has been over 20years of manufacturing history till now since started putting into operation in 1983.In the meantime we export silicasol,methenamine at the competitive price and Import phenol as the raw material of phenolic resin. There are modified thermosetting phenolic resin and thermoplasticphenolic resin ,Modified cnsl resin and other products manufactured by the company,which have been widely used in fields such as special-type fireproof materials ,foundry,clutch ,car and lorry brake pad ,and grinding wheel and so on.