Model:
Address: YongEn west street No.18，ShaCheng Industrial Zone ，Wenzhou City ，Zhejiang Province
Manufacturer: WenZhou YIBO Technology Mechanical Co., Ltd.
Introduction: Oval inward manhole with bevel edge
A perforated structure for personnel access to equipment for installation, overhaul, and safety inspection. It mainly consists of a short tube (or short tube), a flange and a manhole cover with a handle.