Yantai Junheng Construction Machinery Co.,Ltd. is one of the largest professional manufacturers of hydraulic hammers, specialized in R&D and manufacture of main body assembly (power cell). Hydraulic hammers produced by our company mainly include three types: Top Type (Open type), Silenced-box Type, Side Type (Triangle type). We specialized on manufacturing Sparkle series Hydraulic Hammers, model from SP450-SP1750, tool diameter from 45mm to 175mm, applicable excavator weight from 1.2ton-55ton.