S-type fixtures

C type retractor

8-core leather box

6-core leather box

Hoop hook

Bellows joint

Double-pass diameter of bellows 20

Double-pass diameter of bellows 25

Bellows 32, 25, 20 in diameter

Ground Shadow Angle

Cave sealing groove (improved type) and ground groove turnin

Hole sealing groove

Pipe clamp

Fixed groove for optical cable

Optical fiber panel

Passing box