- Butt Hinge
- 3D Hinge
DH Hardware Manufacture Co.,Ltd. （道合五金制造有限公司）is a branch of Sino-Hardware Group, manufacturer of door hinges in China, We are a group company with 3 subsidiaries, , Sinone LockSinohardware, DH HardwareDH, Setgo PrecisionSetgo, they are with different advantage on Technical Design & Manufacturing, Mold & Tools Processing and Precision Casting, Our main business activities are Door Hinges, inlcuding Butt hinges, Spring hinges, Concealed hinges, used for the wooden or steel doors.
Our products conforming to DIN18251,EN12209,EN1154,EN1303,EN1906,EN1634,ANSI/BHMA,etc. standard. Stanardization production and management ensure us to be strong and creditable lead enterprise in lock industry.
We start making OEM production for many top brands from 2004,also we had possessed our well-known brand name of “SINONE” “SinZero”, which established a good reputation with many companies in Europe, Mid-East,South-East Asia, America etc countries and areas.
From 2014,according to the advantage of the areas(Guangdong, Hebei), promote the Product Chains, established different factories for Locksets and Door hinges and Precision Casting.
From 2020,We enrich our products series on the EN and UL items and promote new brand “SinZero” ,not only with the top quality,we also add artistic elements inside.
With our consistent efforts and adherence to the principles of “Perfect Design, High Quality, Reasonable Price and Premium Service”.
SINONE,SinZero is symbol of Quality.
No loss of function occurs with these hinges (they allow for the full 180º opening angle), and they are adjustable in 3 dimensions (up/down, side to side, and in/out).