DONG KWANG CO., LTD. is specializing in designing, manufacturing door closer and exports by own brand PRIMA door closer all of the world. Established since 1969, Our company is headquartered in korea and have factory in indonesia.

DONG KWANG CO., LTD. is specializing in designing, manufacturing door closer and exports by own brand PRIMA door closer all of the world. Established since 1969, Our company is headquartered in korea and have factory in indonesia.

Our company has been authorized by ISO 9001 : 2008 Quality System Certificate, and our products are certified or in the process of certification under the European "CE" standard.

We have been manufacturing the products which would suitable to wide variety of climates and conditions with the best technology and the quality in the world.

Our company has been authorized by ISO 9001 : 2008 Quality System Certificate, and our products are certified or in the process of certification under the European "CE" standard.

We have been manufacturing the products which would suitable to wide variety of climates and conditions with the best technology and the quality in the world.