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domain	allegionchina.com.cn
summary	Here’s a summary of the website content: The error “502 Bad Gateway” indicates a problem with a server acting as a gateway or proxy. Specifically, it’s being caused by Tengine, a server platform (often based on Nginx), failing to receive a valid response from an upstream server it was trying to access. This suggests an issue with communication between servers involved in the request process.
title	Anlangjie official website-American standard/European standard lock_Imported hardware/access control_Gate control security product brand company
description	Allegion is the world's leading security company integrating door control hardware (including mechanical locks, smart electronic locks, door closers, escape devices, bathroom hardware, etc.), electronic access control, biometric identification and labor management systems. It is also the world's leading provider of professional commercial and civil security products and solutions integrating R&D, production, sales and service.
keywords	gateway
upstreams	allegion.com, allegion.com.au
downstreams
nslookup	A 47.93.93.201
created	2024-11-29
updated	2025-06-20
summarized	2026-01-22