soff flange manufacturers, soft flange prices ，basic product classification:
(1) According to the performance, it is divided into three categories: general purpose, special purpose and heat resistance.
(2) According to the structure, it is divided into single sphere, double sphere, three sphere, elbow sphere, wind pressure coil body, etc. Every formIt can be divided into three types: concentric equal diameter, concentric different diameter, and eccentric different diameter.
