We are certified factroy for ISO9001:2008, ISO14001 system standart, the production base with first class automatic production lines and R&D center in the world. Factory have independent product development capacity and large production capacity. Products range include aluminium window & door system, uPVC window and door system, door control hardware system, curtain wall hardware system and sealing strips, more than 2000 varieties products. We are the fabous brand enterprise with Window Accessory province famous brand product.

Quality Control

In order to keeping with the social trend of energy-saving and environment-protective, our company insisted on its’ green management to be an environment-friendly company.

  1. Quality Control

    The research and development of products and QC of our company maintain the leading position in the industry. Our company also make manufacture accord with the requirement of energy-saving and environment-protective. The 99.5% of solid polyester powder will be reclaimed during the production process of surface treatment. Our products meet the demand of low carbon and make a contribution to reducing emission.

  2. PMC Product Material Control

    PMC is a very important department in our company. It is the bridge center which connected with the purchasing and production information. Our merchandisers collect the customers’ purchase requirements and pass them to our PMC staffs. The PMC staffs input all the information to ERP system which ensure our information orderly and accurately.

  3. QC

    The quality test of 3H’s products is based on the implementation procedure, including material stock test, Semi-finished test control and finished products final test.
    (1) Material will be finished the test within 24 hours according to our testing department and Issue “Test Report”. After qualified, material will be transacted inbound procedure. Without inspection or inspection unqualified raw and auxiliary mater materials shall not be checked incoming and put into production. Our purchase department do the suppliers’ survey and evaluating job monthly and submit the information to our relevant department for supervising.
    (2) The controlling and testing of Semi-finished and finished products will be passed the detection department, hardness test, performance, operating life-span test etc full-time inspection from mould procedure to the assembling procedure respectively in various processes of product inspection control.

  4. RD and Test Center

    Heavily understand that specialization is the only developing way of the enterprise, we always concentrate ourselves onto the products R&D and quality control. Our company have full set of completed and advanced production equipment which including the first-class 2 GEMA Automatic sprays lines, 12 numerical control Die Casting Machines, 13 rubber gasket extruded machine etc. We also have our own modernized R&D center and Test center, each of our new products is repeatedly tested and improved in the test center, including its performance and operating life-span test, hinge tensile test, weather resistance test, finished window&door systems’ performance test, rubber strip’ fragilization and aging test etc.

Our Vision

” Create value for construciton” is our product idea. Using our products to build a beautiful, safe, energy-saving living environment, creating value for society, are the practice for our company concept of ”harmonious development and win-win cooperation”.
Our main products including all accessories related to a building, like aluminium and UPVC window handles, window hinges, window friction stays, door handles, door hinges, door locks, flush bolt, sliding locks, sliding rollers, brushes, rubber sealings;  glass door patch fittings,  floor springs, floor hinges, door closers, pull handles, hand rails, shower room fittings, curtain wall fittings like openning system, stainless steel spider, flat cap routel, window openner, ect.  we provide one-stop supply. 90% of products produced by our own factory, 10% by our high quality partner.  make your purchasing simple and fast.


Brief History of Our Company Window Accessory Ltd.

March, 2015

In 2015, we established the department of Windows&Doors and the department of glass fittings.

February, 2011

In 2011,we held the 2nd “Technology Innovation Essay Contest of Turkey’s windows and doors accessories” and the 3rd Forum of Brand and Economic .

March, 2008

In 2008,Window Accessory was awarded as the Famous brand of Bursa Province

May, 2005

In 2005,Window Accessory continuously selected as Trustworthy Enterprise for 7 years

March, 2003

In 2003, Window Accessory have been the enterprise of Turkey Construction and Decoration designated technology development and production enterprise

January, 1995

In 1995,Window Accessory have become a member of Turkey Construction Metal Structure Association

June, 1994

In 1994, Window Accessory stainless steel profile factory was founded.

February, 1986

In 1986, Window Accessory brand was registered and we started to focus on the production of construction rubber sea

July, 1981

In 1981, Window Accessory plastic factory was founded and mainly specializing in various of rubber product.

Window Accessory Ltd.

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