Shandong Shengya Machinery Co., Ltd has been specializing in design, manufacture and sale of Concrete Block Making Machines. With advanced equipments, excellent professional technology and 18-year of practical experience, R & D department in block making machine market development is always been at the forefront of market in the developing of Block Making Machines, Shengya is paying close attention to advanced technology at home and abroad, developing different products which are suitable to ...   |