Certificates

ISO 9001 : 2015

KUOYUH began importing ISO quality management system in 2003.

Implement standardized production management, increase product consistency, provide customers with stable and cost-effective products.

UL1077 & UL1500 & UL61058

KUOYUH is committed to the production of reliable overload protection devices, starting in 1997 to implement UL laboratory testing standards Following the ul1077 (overload protector) and ul1500 (ignition protection) and ul61058 (switch) standards.

We purchase a number of testing equipments, conduct reliability tests to meet customer needs. and have partners in the Five Great Lakes region in the West Coast of the United States.

KUOYUH was CSA certified in 1998.

Following cSA C22.2--NO.235-04 Supplementary Projector Standard.

Expanding the global market, we continue to enhance ourselves, hoping to provide a variety of multi-current protection devices to customers in need.

KUOYUH was TUV certified in 2002 and began to actively expand the European market following the TUV (TÜV SÜD) EN60934 Standard Book Been applied to the appliances made by dyson and Philips.

Has cooperative agents in the UK, Italy, Poland and Lithuania.

KUOYUH set up factories in Shenzhen in 2003, entered the Chinese market obtained CCC certification in 2004, to provide the overload protector for the Greater China.

Currently has a production base in Dongguan : KUOYUH (Dongguan) Enterprise Co., Ltd.

And has agents in Chongqing, Shanghai, Yangzhou, Guangzhou etc.

KUOYUH obtained CB certification in 2004, following IEC60934 standard.

Following IEC60934 standard : Circuit breakers for equipment (CBE) and produced overload protectors to the most stringent standards, hope to win the recognition of customers around the world, the bring the KY brand to the world.

KUOYUH obtained CB certification in 2004, following IEC60934 standard.

Following IEC60934 standard : Circuit breakers for equipment (CBE) and produced overload protectors to the most stringent standards, hope to win the recognition of customers around the world, the bring the KY brand to the world.

The importance of sustainable development and environmental awareness.

KUOYUH implement the management of environmentally friendly materials in 2006 Compliance with EU Direction Rohs 2.0 (EU) 2015/863, and apply in the product.

In order to enrich the product line of KUOYUH, and provide more choices to the custoemrs.

KUOYUH began the production of overload protection units for DC equipment in 2010.

Following SAE J553 standard : Circuit Breakers ; and SAE J1171 Standard (External Ignition Protection of Marine Electrical Devices) and SAE J1625 standard (Heavy-Duty Circuit Breakers).

KUOYUH began developing high-amp waterproof overload protection for ship usage in 2014. and mass-produced waterproof overload protectors in 2016.

Following ABYC E-11 Standard (AC and DC ELECTRICAL SYSTEMS ON BOATS ).

Actively expand the Australian market, KUOYUH obtained the SAA certification in 2012.

Following IEC60934 Standard : Circuit breakers for equipment (CBE), Has agent in Australia.

Actively expand the Korean market, KUOYUH obtained the KC certification in 2012.

Following IEC60934 Standard : Circuit breakers for equipment (CBE) Has agent in Korea.