济南德嘉石油装备有限公司
Jinan Dejia Petroleum Equipment Co., Ltd is the first class network provider of PetroChina, Sinopec and CNOOC, enduring provide disc brake systems and technology service ,disc brake systems have won double patent of China and the United States and passed the United States API certification. Engaging 13 years, won customer satisfaction by good quality and timely service. Never have any problems
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