云浮市云城区精科正大机械厂是浙江临海正大机械广东地区销售及服务，专业销售石材深加工设备及各种辅料（包括磨轮、刀具等）。 Yunfu Jingke Zhengda Machinery Factory is Zhejiang Zhengda Machinery in Guangdong regional sales and service cente, professional sales of stone processing equipment and tools.