... Pipe Thread to ISO228/1, BSP, NPT, etc.Ningbo Jiekelong, branch of Ningbo Jintian Copper (Group) Co., Ltd., which is one of China’ ... manufacturer in China.as grown to be a large group which occupies an area of 2000 acres with moreCorporate ... resources, unlimited use. Established in 1998, Ningbo Jiekelong Manufacturing Inc. is located at Cicheng, Ningbo, with convenient transportation by water, land ...