About us
Longjia Security Door Co., Ltd., established in 1996, is located in Tianjin City in China. We employ over 400 different experienced staff and workers and 20 technical personnel. We can supply different kinds of security doors and are specialized in research and development.

Our company has passed the ISO9001 quality authentication. "Longjia" now has become a famous brand and our products are well known within China. We have won 20 national patents in the past few years. We firmly believe that every customer will be satisfied with our timely and excellent services.

If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients from around the world.
Business TypeManufacturer
Business RoleSupplier
Products/ServicesBurglarproof safety doors and steel fireproof doors
OEM ServiceNo
Our MarketsWorldwide
No. of Employees501 - 1000 People
No. of R&D Staff5 - 10 People
Estimated Annual(Sales_USD)US$10 Million - US$50 Million
Quality_ControlIn House & Third Parties
Year Established1999
Legal Representative(CEO)Rong Shaoqi
Contact Information
Company NameLongjia Security Door Co., Ltd.
Contact PersonTang Jialin 
Company Address18 Luyuan Road, Wuqing Development Zone, New Technology Industrial Area, Tianjin City. China
Postal Code301700
Telephone Number86-22-82123717, 86-10-66034577
Mobile Number
Fax Number86-22-82123717
WebsiteLongjia Security Door Co., Ltd., http://www.longjia-door.com, http://www.bizearch.com/company/Longjia_Security_Door_Co_Ltd_364642.htm
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