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Last updated November 4, 2026

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Overview

Kinlong is a Chinese building hardware brand and manufacturer headquartered in Dongguan, Guangdong. The company is best known for architectural hardware, door and window fittings, and smart locks, serving construction and home improvement markets. It operates under the Kinlong brand and is listed on the Shenzhen Stock Exchange under the ticker 002791. The brand's product range spans traditional mechanical hardware and increasingly smart locking systems, positioning it in the consumer durables and building products space. Kinlong has expanded its presence in China and internationally, supplying developers, contractors, and retail channels. Its official website is kinlong.com.

History

Kinlong is a Chinese building hardware company headquartered in Dongguan, Guangdong. It grew as a supplier of architectural hardware, door and window fittings, and related building products, and later expanded into smart locking systems. The company is listed on the Shenzhen Stock Exchange under ticker 002791. Its brand, Kinlong, is used across its hardware and smart lock product lines, serving construction and home improvement markets in China and internationally.

  • Kinlong is listed on the Shenzhen Stock Exchange under ticker 002791.

Products and positioning

  • Architectural hardware

    Building hardware products for doors, windows, and construction applications.

  • Door and window fittings

    Fittings and accessories for door and window systems.

  • Smart locks

    Smart locking systems for residential and commercial use.

Controversies

  • 2021

    Kinlong Hardware's receivables surge on property client woes; shares plunge 45%

    Hit by funding strains at real estate clients, Kinlong Hardware's notes receivable rose 190% year on year in the first half of 2021, and accounts receivable reached 3.048 billion yuan; its share price plunged about 45% from a high; at the end of 2022 it made a full bad-debt provision for receivables from Evergrande. Progress: media report. Entity: Guangdong Kinlong Hardware Products Co., Ltd. Scope: receivables from property clients.

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Recent events

  • Reported

    Jianlang Hardware receives invention patent certificates[4]

    Guangdong Kinlong Hardware Products Co., Ltd. announced that it had received invention patent certificates issued by the China National Intellectual Property Administration for inventions including a glass connection structure and its construction method.

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