... °cParallel Pipe Thread to ISO228/1, BSP, NPT, etc.Ningbo Jiekelong, branch of Ningbo Jintian Copper (Group) Co., Ltd., which is one ... ”.Limited resources, unlimited use. Established in 1998, Ningbo Jiekelong Manufacturing Inc. is located at Cicheng, Ningbo, with convenient transportation by water, land and air ...