Qingdao Guosong Machinery Parts Co., Ltd. was founded in 1996. Our company has been expanded to the leading brake hose manufacturer in China. We have more than 300 staff members. Our building covers 6,000 square meters. We have Marketing Department, a Hose Factory and a Fitting Factory. Our main products are QDGY brand rubber brake hoses (3.2mmx10.5mm) which are produced according to American standards SAEJ1401 and also passed the quality test of China National Auto Testing Center. Now our ...