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Update April 24, 2023

Specification requirements for sand and gravel for cement concrete construction

In cement concrete projects, sand should be clean, hard, in accordance with the provisions of the grading, fineness modulus of 2.5 or more grit or sand. When coarse sand or medium sand cannot be...

Update April 24, 2023

high pressure hydraulic pump hydraulic vane pump 2 stage hydraulic pump

hydraulic pump manufacturers_hydraulic pump parts_hydraulic pumps and motors suppliers in china China hydraulic pump manufacturers, hydraulic pumps and motors, hydraulic pump parts, piston pump...

Update April 23, 2023

Quality Requirements for Pervious Base and Gravel Base

I. Quality Requirements for Pervious Base The quality requirements of the water-permeable base layer are as follows. Appearance a. The surface is flat, solid, tightly caulked, and there is no loose...

Update April 23, 2023

Beijing Shijiazhuang, Hebei Zhangjiakou Chengde emulsified asphalt price slurry seal synchronous gravel gravel seal

Beijing Tianjin Langfang Zhangjiakou Tangshan Qinhuangdao Inner Mongolia emulsified asphalt, Shengzhou Xinjie Longsheng Trading Co., Ltd. is a chemical enterprise Mr. Wu, is approved by the relevant...

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