BRAND INTRODUCTION
Zhejiang Longchuan Industry & Trade Co., Ltd.
Yongkang Longchuan Door Industry Co., Ltd. relocated to Zhiyin Road, Baiyang Industrial Zone, Wuyi County in January 2010 and was officially renamed Zhejiang Longchuan Industry & Trade Co., Ltd. The company is a large enterprise integrating design & development, production & manufacturing, sales and service of "Yanmen" brand security doors, "Dilongyue" German-style security doors, "Hongxiang" brand foamed doors and "Badulifang" security doors. It is a wholly-owned subsidiary established four years after Shanghai Hangwen Trading Co., Ltd. invested RMB 10 million to set up Longchuan Door Industry Co., Ltd. in Yongkang. Located at Zhiyin Road, Baiyang Industrial Zone, Wuyi County...
A Trustworthy Door Brand
Four Exquisitely
Refined Processes
Reinforced Details for Higher Safety & Anti-theft Performance
Comes with premium “Zhongheng” silver-ring anti-saw security lock, 42mm lock bolts. Unique two-way five-bolt mechanical transmission system, reinforced anti-saw locking points and hardened steel lock body cover. Upgraded 350*300*2mm lock box, fitted with 5th-gen Yuma blade lock cylinder.
Professional Silent Technology, Ultimate Quiet Experience
14cm hidden nickel-brushed hinges link door leaf and frame for smooth, noiseless operation. Embedded fireproof & frost-resistant rubber sealing strips lower noise to 36 decibels.
Unified High Material Standards, Quality Controlled from the Source
All raw materials for Longchuan security doors are inspected by QC staff per national standards. Unqualified materials are rejected at source to maintain stable quality.
High-end Craftsmanship for Premium Grade Quality
Surface finishing is handled by professional engineers with over 5 years of industry experience. Every process is refined for perfect details.
Longchuan Industry & Trade is a large enterprise integrating design & development, production, sales and service of "Yanmen" security doors, "Dilongyue" German-style security doors, "Hongxiang" foamed doors and "Badulifang" security doors. Inheriting thousands of years of Chinese defense history, we look forward to your cooperation!
At Yanmen Pass, defenses are as solid as an iron fortress; safeguarding the nation externally and securing people’s livelihood internally.
Corporate News
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Zhejiang Yongkang Longchuan Door Industry: Gain market trust through superior quality and reliable serviceReported by Zhejiang Science and Technology News: Faced with the enormous pressure and impact brought by the financial crisis, Hu Qinxue, General Mana...
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2018 Yanmen Ancient Charm Security Door New Releases2018 Yanmen Ancient Charm Security Door Series. This year, our company launched multiple series with more than ten new products, including flat minimalist style, aluminum plate splicing, pure black copper, 3D printing, p...
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Saudi Arabia lost! The fans silently covered their eyes with hundreds of carats of diamond rings from Yanmen2018World Cup Opening MatchHost nation Russia 5:0Saudi ArabiaSaudi Arabia lost the match.............Saudi tycoonscan only sadly cover their eyes with Yanmen diamond ringsDon't mind me, I just want some peace and qui...
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At Yanmen Pass, it is as solid as a golden soup - Yanmen Ancient Charm Security GateYanmen, the mighty pass, ranks first among the “Nine Fortresses Under Heaven.” This is a line from Lüshi Chunqiu (The Annals of Lü Buwei). Understated as it is, it still throws into relief just how important Yanmen Pass ...
FAQ
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When choosing a husband, there are three criteria to consider, while when selecting a door manufacturer, there are ten criteria
QLongchuan Industry & TradeTalking about today's door market, some stores are deserted while others are bustling with customers. So the key to attracting a steady stream of customers lies in whether you have chose...
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The Origin of Locks - Yanmen Security Door
QA lock is not merely an everyday article of human life, but also a cultural (folk-custom) object, representing the culture of a nation and its people across different historical periods. The history of locks in China str...
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Common problems and emergency handling solutions for security doors (with video)
QCommon Problems with Security Doors and Emergency Remedies▼▼▼CategoryProblemSolutionSurfaceSticky stains formed during useYou can try wiping with alcohol or a tar remover.Dents from corner or face impactsFor minor dents,...
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