ENGLISH
Digital display manhole cover pressure testing machine
BJJY-S1000KN digital display type cap pressure tester
BJJY-S600KN Digital display type cap pressure tester
Microcomputer controlled well cover pressure testing machine
BJJY-W1000KN Microcomputer controlled electro-hydraulic servo manhole cover pressure tester
BJJY-W600KN Microcomputer controlled electro-hydraulic servo manhole cover pressure tester
