Founded in 1982, Jianzhi Group is the world's leading manufacturer of cast iron pipe fittings. At present, there are about 4,500 employees and more than 350 technical engineers. The dealers in service are in more than 100 countries around the world.
Jianzhi is committed to bringing higher-safety cast iron pipe fittings to every household and piping joint system in every building to help the world safer.
May. 27, 2022
Black fittings and galvanized fittings are the two most common types of fittings used to transport liquids and gases. The difference is that galvanized pipe fittings have a zinc coating, while black pipe fittings do not. Therefore, galvanized pipe fittings are more durable. Even some professionals sometimes get confused about where and under what c
Tel: +86 022 8848 8866
Office In Tianjin:
Heping District, Tianjin, China.
Production Base 1:
Chifeng, Inner Mongolia, China.
Production Base 2:
Tangshan City, Hebei Province, China.
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