Gang Gwo Industrial Co., Ltd., established in 1983, is a leading manufacturer specialized in commercial and residential door & window hardware and OEM/ODM industrial parts of die-casting, forging, machining and other industries. As a commitment to long-term operation, we continually refine and check our progress for High Quality Products and New Design. Our dedicated team of engineers, production specialists and administrative staff provides the best quality door & window hardware available on the markets. We pride ourselves in our expertise in producing customized products. Through OEM and ODM production and assembly, we are assured of the designs that will meet your exact specifications and innovative ideas that will give your products an essential marketing edge. Our outstanding quality and service have earned us ISO9001 certification. We supply products and components to some