At present, it mainly produces high precision cold drawn steel tube, honed steel tube, seamless steel tube, hydraulic pressure oil cylinder etc with their specifications being ¦µ20-¦µ500, length”Ü12M, surface finish quality ranging from 0.2mm to 0.8mm, standards being GB8713-88 and GB3639-2000, material being 20#, 45#, 16Mn, 27SiMn etc, and also they may be customized according to customers”Æ requirements. ...