Donguan Qingyu Machinery Co., Ltd (Factory and Office ) Shangzhen 1 Road, Shangjiao Industrial Park, Changan Town, Dongguan City Guangdong Province 523878, People’s Republic of China Contact: Email: gs-sales002@goldstar-machining.com Phone: +86 769 8162 7193 Fax: +86 769 8162 7192 GoldStar Machining Limited (Hongkong office ) GoldStar Mechanics Limited Company （Japan office ) Address: Jinmi District, Osaka City, Japan Contact: Mr. Nishimura Tokyo Office: Address: Quejian District, Kanagawa prefecture, Tokyo, Japan Contact: Mr. Mizuno
