Product Classification Letter Codes

 

Flat Hinge ---------------------------------------- CL

Non-flat Hinge ------------------------------------ HT

Stamped Handle ---------------------------------- LS

Cast Handle -------------------------------------- DMK

Silent Hinge with Rubber Ring and Sleeve -------------- ZL

Door Lock ---------------------------------------- MS

Latch -------------------------------------------- DK

Stopper / Limiter ---------------------------------- TX

Guide, Accessories -------------------------------- RG

Waterproof Cover --------------------------------- WP

Door Lock Products (Locks) ------------------ MS (suffix S to model)

Coupling ----------------------------------------- LZQ

Dowel Pin / Locating Pin ---------------------------- DWX

Zinc Alloy ---------------------------------------- XHJ

Hook -------------------------------------------- JH

Plastic Handle ------------------------------------ DMK-P

Plastic Hinge -------------------------------------- CL-P

Plastic Latch -------------------------------------- DK-P

Door Stop ---------------------------------------- MP

Aluminum Alloy ----------------------------------- DL

Stamped Damping Hinge Series --------------------- ZNC

Machined & Washed Damping Hinge Series ------------ ZNX

ABOUT US

Company Profile

Shenzhen Guwanjia Technology Co., Ltd. was founded in 2014. It is a comprehensive industrial cabinet lock accessory manufacturing and hardware processing enterprise integrating science, industry and trade. The company specializes in the production of series products such as stamping, casting, and lathe die-casting hinges (HT), handles (DMK), and hasps (DK), which are widely compatible with GCS cabinets, GCK cabinets, GGD cabinets, as well as electronic control door locks and high-voltage switchgear accessories.


Since its establishment, the company has always focused on the R&D and innovation of new products, and has won high recognition from dealers in the industry with reliable products and services. To lead industry development and strive to become a first-class domestic enterprise, we place quality control at the core: on the one hand, we have achieved standardization, normalization and modernization of production processes through ISO 14001 environmental management certification, ISO 45001 occupational health and safety management certification and ISO9001 quality certification; on the other hand, we continue to optimize the management system and strengthen talent team construction, ensuring that production management keeps pace with the development of the market economy. While establishing our own product standards, we focus on the environmental protection and advancement of products and steadily advance integration with international standards.


Guwanjia Technology regards "quality as life and service as foundation" and takes quality as the cornerstone for the survival and development of the enterprise. We adhere to the concept of "quality first, service first", provide customers with diversified solutions, solve technical problems, and meet personalized needs; at the same time, we continuously enhance core competitiveness to ensure on-time, quality-guaranteed and quantity-guaranteed product delivery, and ultimately achieve mutual benefit and win-win results with customers.

Corporate Positioning and Mission

 

A comprehensive industrial manufacturing enterprise integrating R&D, supply, production, sales and transportation. Our core R&D and production products include industrial hardware accessories such as hinges, handles, hasps, flat locks, cylindrical locks, waterproof covers, etc.


Corporate Mission: Committed to the field of industrial hardware accessories, to become a world-leading provider of mechanical equipment accessory solutions, create maximum value for customers with competitive products and services, and achieve win-win cooperation.

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Business Philosophy

 

We deeply understand that customer trust stems from attention to detail. In the course of development, the company has always adhered to the belief: Focus on every customer need, pay attention to every detail of the product. Through a professional sales team spread all over the world, we insight into and respond to the diverse needs of global customers in real time, drive technological iteration and service upgrading with customer feedback, and conduct in-depth collaboration to accurately meet customer demands.

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Guowanjia Technology Co., Ltd.

OEM / Custom / Full specification / Fast delivery

Call

+86 159 9977 0681

E-mail

sale@gwjhardware.com

Address

Hong Kong Street, Building B2, Dongguan City, Guangdong Province, China

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Copyright © 2026.Guowanjia Technology Co., Ltd. All rights reserved

Copyright © 2026.Guowanjia Technology Co., Ltd. All rights reserved

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