Our company specializes in producting the hard chrome plating and piston rod plating. The products have been exported to Europe, the United States and other countries. We could supply complete specifications of products. The length range: 1m-10m, the diameter scope of the piston rod and slick rod: 6mm-200mm. We have complete quality test system, The salt spray test of 8 grade standard product could be up to 70 hours, the product special standard is in 9 grade, the salt spray test is up to 100 hours. The surface roughness is less than 0.2, the rigidity is bigger than 900 degree. We also machine different piston rod plating according to customers' needs.